The best ratchet spanners, compared.
Top pick: Enventor 14-piece flex Best value: Qnkaa 12-piece 8–19 mm – The only full 8–19 mm list under £40 with its own sample of 990, at about £29.95. Updated October 2026.
A ratchet spanner turns a nut in one direction and freewheels in the other, so you can work in a short arc without lifting the tool off. UK buyers use metric sets for DIY, bicycles and cars. Most are chrome vanadium combination tools, with an open jaw and a ratcheting ring. A double-ended ring version carries two sizes and has no open jaw. A suitable set is the one whose printed sizes match the nuts you actually meet. A title that says 8–19 mm on an eight-piece set usually skips 9, 11, 16 and 18 mm. Swing is the arc between clicks. A 72-tooth gear is about 5° a step, from 360 divided by 72, a rule of thumb for access rather than a strength rating. A flex head, often marked 180°, helps when the handle cannot sit square to the nut. The same joint can feel loose. A ratchet spanner does not measure torque, and a pipe on the handle is not an extension. How to order those checks is in the [ratchet spanner buying guide](/hub/hand-tools/ratchet-spanner/sub/ratchet-spanner-buying-guide).
A ratchet spanner turns a nut in one direction and freewheels in the other, so you can work in a short arc without lifting the tool off. UK buyers use metric sets for DIY, bicycles and cars.
42 products checked · 58 hrs invested · +21,400 readers
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Personal buying guide
Question 1 of 2
Which sizes do you need?
Enventor DS003 is a 14-piece 180° flex-head set at about £45.99, claiming 90 teeth and a 4° swing, with a 12-point box end, every size from 6 mm to 19 mm, and a toolbox. The amazon.co.uk line is 4.9 from 15 reviews. The listing holds five short texts, all favourable, and one of them notes that use so far has been short. That sample is too small to carry the same weight as the four-figure counts on the dearer sets. The bullets say chrome vanadium and name no British Standard. The score is 42, and it stays below sets with hundreds of reviews for that reason.
Pros
Cons
Best for: You want a stated 4° flex head and the small sizes, and you accept a tiny review sample.
Less suitable: You are choosing on star rating alone. 4.9 from 15 is not 4.7 from 6,348.
Specifications
Common questions
What swing does the listing claim?
90 teeth and a 4° swing, with a 12-point box end and a 180° flex head.
Which sizes are included?
Every millimetre from 6 mm to 19 mm, 14 spanners, plus a toolbox.
How many reviews are on the listing?
The line is 4.9 from 15. The listing has five short reviews, all favourable, and one notes that use so far is short.
Wera 05020013001 is an 11-piece Joker set at about £203.10. The amazon.co.uk line is 4.8 from 5,331 reviews. The bullets describe a holding plate, a limit stop, and double-hex geometry. The included sizes skip 9 mm. The torque, finish, and length fields on the listing are not usable. One long review praises the jaw for holding a nut and says the plate bent in everyday use. The score is 68, close to the top pick and dearer, so it does not lead.
Pros
Cons
Best for: You want the holding jaw for placing a nut, and you can do without 9 mm.
Less suitable: You want a plain open jaw for every fastener, or you are reading the torque field as a rating.
Specifications
Common questions
What does the open jaw do?
The bullets name a metal plate in the jaw, a limit stop, and double-hex geometry. A long UK review says that jaw holds a nut at an angle, and also that the plate bent and the jaw slipped in ordinary use.
Is 9 mm included?
No. The included line runs 8, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19 mm, with a length beside each size.
Is the torque field usable?
It reads 1 centimetre-kilogram. The finish field says powder coated and the length field says 11 inches. Treat those three as unusable.
HYCHIKA’s nine-piece flex set is about £27.89, with a 180° head, 72 teeth, a 5° claim, and a canvas bag. The amazon.co.uk line is 4.8 from 64. The sizes skip 7, 9, 11, 16 and 18 mm. The jaw field says 6 mm, which is the smallest size, not the largest. Reviews split between praise for the flex head and a sloppy mechanism that is not for heavy duty. The score is 48.
Pros
Cons
Best for: You want a flex head and a bag, and the nine printed sizes cover your nuts.
Less suitable: You need a stiff head for a seized nut, or every size from 6 to 19 mm.
Specifications
Common questions
Which sizes are in the nine?
6, 8, 10, 12, 13, 14, 15, 17 and 19 mm. The title says 6–19 mm. 7, 9, 11, 16 and 18 mm are not listed.
What is the jaw-capacity field?
It says 6 mm, which is the smallest size in the list, not the largest.
Are the flex heads tight?
Reviews praise the flex head for access. One calls the mechanism loose and sloppy, and limits it to light use.
Bosch Professional 1600A016BU is ten combination ratchet spanners at about £101.53, with a toothless ratchet and a stated 3° backswing, in a wrap bag. The amazon.co.uk line is 4.7 from 6,348 reviews. The size list skips 9 mm and 11 mm. Reviews describe a silent action and deals below this price. The length field says 3 cm. The score is 71. That is listing arithmetic, not a lab test.
Pros
Cons
Best for: You want a short, quiet arc and you already know 9 mm and 11 mm are not in the box.
Less suitable: You need every millimetre from 8 to 19, or you use the click as your only cue.
Specifications
Common questions
Why is the ratchet silent?
The listing says the ratchet is toothless and works from a 3° backswing. UK reviews miss the click, then say they get used to it.
Which sizes are missing?
The included list is 8, 10, 12, 13, 14, 15, 16, 17, 18 and 19 mm. There is no 9 mm or 11 mm.
Is the length field usable?
Item length is printed as 3 cm. That is not an overall length for ten spanners.
Enventor SGRD008 is a 14-piece set at about £39.99 listing every size from 6 to 19 mm, with a case and a 72-tooth, 5° claim. The amazon.co.uk line is 4.7 from 46. The components line says flex-head and the title does not. A review says the gear is a 36-tooth dual pawl, not a true 72-tooth wheel. Reviews also say the black coating chips. The score is 46. The full list is the reason to look, and the head conflict is the reason to check the tool in person.
Pros
Cons
Best for: You need 6 mm and 7 mm as well as the usual car sizes, and you can check the head in person.
Less suitable: You need a proven 180° pivot, or a large review sample.
Specifications
Common questions
Are all sizes from 6 to 19 mm listed?
Yes. The bullets list 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19 mm.
Is the head flexible?
The title and head style say combination. The included-components line says 14PCS flex-head. Treat that as a conflict.
Is it really 72 teeth?
The listing says 72 teeth and 5°. One reviewer says it is a 36-tooth dual pawl, offset so it behaves like 72.
Amazon Basics DS-RWS-5M is five ratchet spanners at about £18.53: 10, 11, 13, 14 and 15 mm, with a 72-tooth and 5° claim. The amazon.co.uk line is 4.6 from 9,751, and the review text is the same as the 7-piece listing. A review objects to the missing 12 mm. One reviewer says the gearing is plastic. The length field says 15 mm. The score is 62. The missing 12 mm and the shared sample keep it off best value.
Pros
Cons
Best for: You only need 10, 11, 13, 14 and 15 mm and you have read the missing 12 mm.
Less suitable: You need 12 mm, or you are treating 9,751 reviews as unique to this ASIN.
Specifications
Common questions
Is there a 12 mm?
No. The bullet lists 10, 11, 13, 14 and 15 mm. A UK review asks why 12 mm was left out.
Are these the same reviews as the 7-piece?
The star line is 4.6 from 9,751 on both listings, and the review text matches, including the missing-12 mm comment that fits this list.
Is there a case?
The bullets do not name one. Reviews mention a plastic clip.
Amazon Basics DS-CWS-7M is listed at about £18.53. The title says seven pieces. The bullet says five pieces and lists 8, 10, 12, 13, 14, 15 and 17 mm, with a 72-tooth and 5° claim. The star line is 4.6 from 9,751 and the review text matches the 5-piece ASIN. The torque field says 72 N·m and the length field says 17 mm. The score is 57. Do not read 72 Newton metres as a measured torque.
Pros
Cons
Best for: You have checked the seven sizes in the bullet and you are not using the shared star line as proof.
Less suitable: You need 9, 11 or 16 mm, or a review sample that is only about this ASIN.
Specifications
Common questions
Is it five pieces or seven?
The title says 7-piece, 8–17 mm. The bullet says 5-piece and then lists 8, 10, 12, 13, 14, 15 and 17 mm.
Do the reviews match this size list?
The text matches the 5-piece listing. A review complains about a missing 12 mm on a 10–15 mm set. This bullet does list 12 mm.
What is the 72 Newton metre field?
The listing prints item torque 72 Newton metres next to a 72-tooth claim. It does not describe a test.
Qnkaa’s 12-piece set is about £29.95 and lists every millimetre from 8 to 19 mm, with a 72-tooth, 5° claim, a stated HRC 48, and a roll pouch. On amazon.co.uk the line is 4.6 from 990 reviews, and that sample belongs to this ASIN. Many of the reviews are short and positive. A few describe a 10 mm that felt closer to 13 mm, chrome that chipped, and an early failure of a 12 mm or a 15 mm. The bullets say drop-forged chrome vanadium. They name no British Standard. The score is 66.
Pros
Cons
Best for: You want every metric size from 8 to 19 mm in one pouch around this price.
Less suitable: You need a cited BS ISO 1711-1 claim, or 6 mm and 7 mm.
Specifications
Common questions
Does the set skip any size from 8 to 19 mm?
No. The bullet lists 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19 mm.
What hardness is stated?
The bullets say drop-forged chrome vanadium and hardness HRC 48. No British Standard is named.
What do reviews say about fit?
Many reviews are short and positive. One says the 10 mm felt closer to 13 mm. Others report a stiff 12 mm and a 15 mm that came apart early.
Blue Spot 04310 is an eight-piece ratchet set at about £19.50, chrome vanadium, 72 teeth, 5°, 12-point bi-hex. The amazon.co.uk line is 4.6 from 894. There is no case in the bullets. Sizes skip 9, 11, 16 and 18 mm. Reviews include a 12 mm that broke on first use and small sizes that later stopped ratcheting. The length field says 8 metres. The score is 55.
Pros
Cons
Best for: You want a low-priced eight-piece list that includes 12 mm, and you will add your own roll.
Less suitable: You need a case, or you are reading 8 metres as the length.
Specifications
Common questions
Which sizes are included?
8, 10, 12, 13, 14, 15, 17 and 19 mm. The title says 8–19 mm. 9, 11, 16 and 18 mm are not in the list.
Is there a case?
The bullets do not name one. A review says there is no storage carrier.
Can the length field be used?
Item length and pin length are both printed as 8 metres. That is not a spanner length.
ss shovan Spanner008-2 is an eight-piece fixed ratchet set at about £30.99, in a black electrophoretic finish, with a 72-tooth, 5°, 12-point claim and a carry case. The amazon.co.uk line is 4.6 from 670 reviews on this ASIN. The sizes are 8, 10, 12, 13, 14, 15, 17 and 19 mm, so 9, 11, 16 and 18 mm are not in the box. One reviewer says the 17 mm and 19 mm seized in a dusty workplace and came free with WD-40. Other reviews report ratchets that failed early. The score is 58.
Pros
Cons
Best for: You want a cased eight-piece set and you do not need the missing millimetres.
Less suitable: You work in dust, or you need a full 8–19 mm run.
Specifications
Common questions
Which sizes are in the eight?
8, 10, 12, 13, 14, 15, 17 and 19 mm. The list has no 9, 11, 16 or 18 mm.
Does it include a case?
Yes. The bullets say a carry case. One review calls the moulded case poor. Another likes the compartments.
What happened in dust?
One reviewer says the 17 mm and 19 mm seized in a dusty workplace and freed with WD-40.
ss shovan Spanner008 is an eight-piece 180° flex-head set at about £32.49, in chrome vanadium, with a 72-tooth, 5° claim and a storage pouch. The amazon.co.uk line is 4.6 from 625 reviews on this ASIN. The sizes are 8, 10, 12, 13, 14, 15, 17 and 19 mm, so 9, 11, 16 and 18 mm are absent. Reviews praise the angled head for awkward access. They also describe a 19 mm that seized after about two uses, a head that kept moving, and a head called too big for a small gap. The score is 53.
Pros
Cons
Best for: You need the handle at an angle and you can do without 16 mm and 18 mm.
Less suitable: You want a fixed head for a stiff nut, or a full size run.
Specifications
Common questions
How far does the head move?
The bullets say a 180° rotating flexible head and a 5° swing on a 72-tooth gear.
Are 16 mm and 18 mm included?
No. The list is 8, 10, 12, 13, 14, 15, 17 and 19 mm. A review points out the missing 16 mm and 18 mm.
What failed in reviews?
A 19 mm seized after about two uses. Other reviews describe a wobbly head and a head that is too big for small places.
Rolson 46905 is five double-ended ratchet ring spanners at about £16.26, chrome plated alloy steel, reversible, in pairs from 6×8 mm to 19×21 mm. The amazon.co.uk line is 4.5 from 475 reviews. Each tool carries two ring sizes and there is no open jaw. The pairs are 6×8, 10×12, 11×13, 14×17 and 19×21 mm. The listing gives no tooth count and no swing angle. Reviews describe a low profile for a tight gap and limit the set to light jobs. One calls the body a sandwich of two layers, and one says a spanner broke on first use. The score is 51.
Pros
Cons
Best for: You want two ring sizes in a flat head for light nuts where a socket will not fit.
Less suitable: You need an open jaw to start a stiff or damaged nut.
Specifications
Common questions
What sizes are on each spanner?
6×8, 10×12, 11×13, 14×17 and 19×21 mm. There is no open jaw.
Is the ratchet reversible?
The bullets say the ratchets are reversible. They do not state a tooth count or a swing angle.
What do reviews say about strength?
Buyers use them in tight gaps and for light jobs. More than one says they are not for extremely tight bolts. One calls the body a sandwich of two layers. One says it broke on first use.
Twelve ratchet-spanner listings on amazon.co.uk were scored from the star line, the review count, and conflicts in the listing. A shared review file, a count under 20, an unusable length or torque field, or a size-list conflict holds a score down. A large sample and a printed size list with no gaps hold it up. Star line is 35, review sample 25, size list 25, and listing conflicts 15. The highest score is the top pick. Best value is the full 8–19 mm list under £40 with its own review sample over 500. There is no lab and no torque bench. The score is not a claim of BS ISO 1711-1 compliance.
Star line
35%The amazon.co.uk star rating on that listing. A high star line from a small sample does not outrank a large sample on stars alone.
Review sample
25%A large sample holds the score up. A review count under 20 holds it down. A star line shared with another ASIN is not two samples.
Size list
25%A printed size list with no gaps holds the score up. A title range that skips sizes, or a list that fights the title, holds it down.
Listing conflicts
15%An unusable length or torque field, a piece count that disagrees with the bullet, or a head line that fights the title holds the score down.
Count the sizes, then the swing, then whether the head is fixed or flexible, and leave the star line last. A ratchet spanner does not measure torque. None of the scores is a bench test.
A ratchet spanner drives one way and freewheels the other, so you can turn a nut in a short arc without lifting the tool off. UK buyers choose metric sets for DIY, bicycles and cars. Most are chrome vanadium. A claimed 72-tooth gear is about 5° per step, from 360 divided by 72. That figure is a rule of thumb for how little the handle has to move. It is not a strength rating and it is not a torque figure. A finer claim, such as a toothless ring with a 3° backswing, is still about access.
An 8–19 mm title on eight pieces usually skips 9, 11, 16 and 18 mm. A five-piece list of 10, 11, 13, 14 and 15 mm has no 12 mm. Count the bullet. If the box does not match the title, that is a description problem under the Consumer Rights Act 2015.
A 72-tooth gear is about 5° a step, from 360 divided by 72. That is a rule of thumb for access. A field that says 72 Newton metres next to a 72-tooth claim is not a test. A ratchet spanner does not measure torque.
Two listings can show the same stars and the same review text. A missing-12 mm complaint that fits one size list does not prove the other list. A 4.9 from 15 reviews is not the same evidence as 4.7 from several thousand.
Count the millimetres in the bullet, not the title range. An 8–19 mm title on an eight-piece set usually means 8, 10, 12, 13, 14, 15, 17 and 19, so 9, 11, 16 and 18 are missing. A five-piece list of 10, 11, 13, 14 and 15 mm has no 12 mm, and a UK review complains about that gap. A twelve-piece list can include every size from 8 to 19 mm. A fourteen-piece list can run from 6 to 19 mm with no gaps. A double-ended ring set pairs sizes from 6×8 to 19×21 mm and has no open jaw.
Swing is access. A 72-tooth gear is about 5° per step, from 360 divided by 72, a rule of thumb. A listing may claim 90 teeth and 4°, or a toothless ratchet from a 3° backswing. One review of a 72-tooth claim says the gear is a 36-tooth dual pawl that only behaves like 72. A field that prints 72 Newton metres beside a tooth count is not a measured torque. A ratchet spanner does not measure torque. The head is the next choice.
Three typical situations, each with a recommendation from this comparison.
You need 9 mm and 11 mm as well as the usual car sizes, in one pouch. The Qnkaa 12-piece set is about £29.95, with 4.6 from 990 reviews on this listing, and the bullet lists every millimetre from 8 to 19 mm. Isolated reviews describe a loose 10 mm and an early break. It does not include 6 mm or 7 mm.
You want a stated 3° backswing and you already know 9 mm and 11 mm are not in the box. The Bosch Professional 10-piece set is about £101.53, with 4.7 from 6,348 reviews. The ratchet is toothless, so some buyers miss the click. The length field is printed as 3 cm.
You want a jaw that holds a nut, and you can do without 9 mm. The Wera Joker 11-piece set is about £203.10, with 4.8 from 5,331 reviews. The bullets name a holding plate and a limit stop. A long review says that plate bent and the jaw slipped in ordinary use.
In this set of twelve amazon.co.uk listings, the top pick is the Bosch Professional 10-piece set at about £101.53, with 4.7 from 6,348 reviews and a stated 3° toothless ratchet. The score is 71. The list skips 9 mm and 11 mm. The best value is the Qnkaa 12-piece set at about £29.95, with 4.6 from 990 reviews. It is the only full 8–19 mm list under £40 with its own sample over 500. A cheaper set with a missing 12 mm, or a star line shared with another listing, does not take that place. Each score uses the star line, the sample and listing conflicts. It is not a lab test.
Qnkaa 12-piece 8–19 mm
The only full 8–19 mm list under £40 with its own sample of 990, at about £29.95.
Editorial
Peter F. is the editor for DIY & tools at productscompared.co.uk. Comparisons in this category are checked against amazon.co.uk listings, review evidence and public UK sources.
Guides on what to look for, how to use a product, and common mistakes.
Public UK sources from the research digest, last checked on 22 October 2026. Shelf prices and star lines are the amazon.co.uk figures in the display extract.
This page contains affiliate links to amazon.co.uk. If you buy through them, we may earn a commission at no extra cost to you. Prices, stars and review counts are the UK listing figures in the display extract, captured for the digest of 22 October 2026. We did not lab-test these ratchet spanners.
