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Plastic wedges buying guide

Updated: 23 October 2026

A kitchen table that rocks, a wardrobe that leans a few millimetres, or a door that catches only at the latch is a measured gap, not a brand. This plastic wedges buying guide is the order of that decision before you order from amazon.co.uk. Write the empty space down, name the shape that can fill it, then read the title against the specification line. The [Plastic wedges](/hub/diy-supplies/plastic-wedges) comparison ranks the twelve packs and holds the scores. This page does not crown a winner. Listings were checked on 21 October 2026. There is no laboratory load test. A qualifying purchase can earn a commission at no extra cost to you.

A kitchen table that rocks, a wardrobe that leans a few millimetres, or a door that catches only at the latch is a measured gap, not a brand.

Our top picks

HongNuoEn HongNuoEn 50 mixed plastic wedges

Best overall

HongNuoEn HongNuoEn 50 mixed plastic wedges
7.5/10about £6.99
View offer
n/a 10 black furniture wedges, stated 6 mm

Rank 2

n/a 10 black furniture wedges, stated 6 mm
7.8/10about £4.59
View offer
Generic Generic 10 furniture wedges

Alternative

Generic Generic 10 furniture wedges
2.0/10about £4.88
View offer
On this page
  1. 1.Start with the gap, not the photograph
  2. 2.Four shapes, four jobs
  3. 3.Read the count and the second size line
  4. 4.What the prices in this set actually are

Start with the gap, not the photograph

UK reviews on these furniture packs often call a correct wedge tiny. A stated rise of 6 mm or 10 mm is a few millimetres under a sound leg, not a block that looks substantial in a photograph. Write the lift at the short foot before you compare packs. Amazon's grids, checked on 21 October 2026, sell a photograph. Screwfix's Easyfix flat glazing packers, 100 × 28 mm at £14.99 for 225 including VAT, are a different object and are not a row here. If the gap is well above the thick end, stacking belongs on the how to level furniture with plastic wedges page, after the pack arrives.

Four shapes, four jobs

These twelve files are not one product in four colours. A short furniture wedge, often 6 mm to 10 mm at the thick end, is for a chair, table, or cabinet. An 8 inch shim, about 203 mm long, is a long taper, and the dearer file is twelve of those with no star line. An 82 mm fence wedge is for the slot between a panel and a post. A long glazing wedge, about 175 mm, aims at a frame. The jobs do not swap. A 6 mm furniture wedge will not fill a fence slot nearer 15 mm thick, and a soft door wedge is the wrong part under glass. A wedge changes height as you push it, which suits a leg and suits a window rebate badly. Leave damp-versus-timber on the plastic shims versus wooden shims page.
HongNuoEn HongNuoEn 50 mixed plastic wedges

Testsieger

HongNuoEn HongNuoEn 50 mixed plastic wedges
7.5/10about £6.99
View offer

Read the count and the second size line

On B0HFWVDNRK the files contain both 50 × 30 × 5 mm and 90 × 50 × 10 mm. Those are two size lines for one product, not a mixed pack the listing explains. Measure the piece that arrives. B0HG1N9PH4 says 20 in the title and 40 on an item line. The two SUMNACON files both print a unit count of 1.0 gram and 4.7 from 69 with the same UK texts. A gram is not a piece count, and the two files are not 138 people. B0C6MY2LM1 carries disagreeing thickness lines. Do not average them. The Consumer Rights Act 2015, section 11, says goods must match their description. Skip the pack when you cannot tell the length or the piece count from the page.

What the prices in this set actually are

The twelve files run from £4.19 to £14.99. That span is this set on the day the files were read, not a census of amazon.co.uk. The dearer file sits at £14.99. £4.19 is four clear wedges stated at 10 mm, £4.59 is ten stated at 6 mm, and £6.99 is 50 mixed pieces. The £14.99 file is twelve 8 inch shims with no star line. Know the gap, the shape, and which size line you will measure when the parcel arrives.

Common questions

What should you measure before you order?
Measure the lift at the short point, in millimetres, with a ruler or a feeler, and note whether the floor is hard or carpet. A rocking table usually needs one corner packed, so the figure is the gap under that foot when the other three sit firm. Write the number down before you open a listing. The photograph will not tell you whether a stated 6 mm thick end is enough, and a title that also says glazing does not change the gap under your furniture.
Why do two size lines appear on one listing?
They appear because the title, the bullet, and the specification have been filled in separately and nobody has made them agree. On B0HFWVDNRK the files show 50 × 30 × 5 mm in one place and 90 × 50 × 10 mm in another. That is two descriptions of one product, not a range you can split. Measure the piece that arrives. If it does not match the description you relied on, section 11 of the Consumer Rights Act 2015 is the relevant consumer-rights point.
Does a 20-pack always mean 20 pieces?
No. On B0HG1N9PH4 the title says 20 and an item line says 40. The two SUMNACON files print a unit count of 1.0 gram, which is not a piece count at all. Read the specification and count the pieces when the bag is in your hand. If the page will not tell you how many wedges you are paying for, skip it and choose a listing where the count is the same in the title and the item line.
Is a furniture wedge the same as a Screwfix glazing packer?
No. Easyfix glazing packers at Screwfix are flat pieces, 100 × 28 mm, sold as 225 for £14.99 including VAT, in stepped thicknesses. A furniture wedge is a taper, often only a few millimetres high, meant to slide under a leg. The Screwfix price is not part of the twelve-file ranking. If you are packing glass or a frame fixing, you want the flat packer the window system allows, with the drains left clear.
When is the clash bad enough to skip the pack?
Skip it when you cannot tell the length or the piece count before you pay. Two millimetre lines, a title that says 20 against an item line of 40, or a unit count of 1.0 gram all fail that test. A small wording difference that still leaves one clear size is a measure-on-arrival check. A page that will not say which object is in the bag is a different product from the one you measured for.

Related pages

Best plastic wedges

Plastic wedges

Fence panel wedges: find the rattle before you pack

How to level furniture with plastic wedges, in order

Plastic shims vs wooden shims for damp or dry gaps

Sources

Public UK sources and the amazon.co.uk listings compared on this page. Listings captured 21 October 2026. Updated 23 October 2026.

  1. GGF installation guide, section 3.12 (retrieved 21 October 2026)
  2. BS 8213-4:2016 windows and doorsets (retrieved 21 October 2026)
  3. BS 6262:1982 glazing code (retrieved 21 October 2026)
  4. General Product Safety Regulations 2005 (retrieved 21 October 2026)
  5. Consumer Rights Act 2015, section 11 (retrieved 21 October 2026)
  6. Fix Direct: how glazing packers are used (retrieved 21 October 2026)
  7. Homebuilding: stop fence panels rattling (retrieved 21 October 2026)
  8. Beko UK: how to level a washing machine (retrieved 21 October 2026)