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High leverage vs standard side cutters

Updated: October 2026

The search box is full of side cutters, diagonal cutters, flush cutters, and the odd bolt cutter, and the photos all show two handles and a cutting edge. You need the fork before you spend high-leverage money. In UK trade use, side cutters and diagonal cutters are the same family: a diagonal edge that severs wire. High leverage is a joint position inside that family, not a third name. Flush cutters and bolt cutters are exits. This page settles which head you actually want. The comparison table is on the [high leverage side cutters comparison](/hub/cutting-tools/high-leverage-side-cutters). A qualifying purchase can earn us a commission at no extra cost to you.

The search box is full of side cutters, diagonal cutters, flush cutters, and the odd bolt cutter, and the photos all show two handles and a cutting edge. You need the fork before you spend high-leverage money.

Our top picks

Knipex Knipex 74 02 200 high leverage diagonal cutter

Best overall

Knipex Knipex 74 02 200 high leverage diagonal cutter
9.4/10about £30.40
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Knipex Knipex 74 06 180 insulated high leverage cutter

Alternative

Knipex Knipex 74 06 180 insulated high leverage cutter
9.2/10about £36.95
View offer
WORKPRO WORKPRO 200 mm diagonal cutters with stripper

Preis-Tipp

WORKPRO WORKPRO 200 mm diagonal cutters with stripper
9.0/10about £13.99
View offer
On this page
  1. 1.Side cutters and diagonal cutters are one family
  2. 2.Classic cutter versus high leverage
  3. 3.Flush cutters and bolt cutters are exits
  4. 4.Which head to choose

Side cutters and diagonal cutters are one family

If a UK wholesaler sells “diagonal cutters” and the van calls them side cutters, they are the same pliers. RS Components’ UK cutters guide notes that the names are often interchangeable. That guide then splits “diagonal” as delicate and “side” as heavy, which fights ordinary trade usage. Treat the names as synonyms and look at the joint. A classic diagonal cutter — Knipex’s 70 series — has a slimmer head and still cuts thin copper at the tips. A high leverage diagonal cutter — the 74 series, or a listing that says high leverage and is not a sprung flush cutter — puts the pivot closer to the edge. Insulation does not decide the family. A 1.5 mm copper conductor in a back box suits the slim head. A fencing staple suits the 74-style throat.

Classic cutter versus high leverage

Knipex’s note is plain: the 70 series is the slim classic for narrow places; the 74 series is the robust high-leverage head for wire, nails, and piano wire. The 74 22 200 page, a cousin of the 74 02 200 in this set, states piano wire Ø 2.5 mm and “about 20 percent” less energy than conventional diagonal cutters of the same size. That percentage is the maker’s claim, not a UK lab figure. Buy high leverage when the wire is hard, a nail, piano wire inside the maker’s millimetre, or the work is all day. Buy a classic diagonal cutter when you need the tips in a back box. The extra force is at the throat. Comfort grips on a 74 do not make a 70, and VDE sleeves on a 70 do not make a 74.
Knipex Knipex 74 02 200 high leverage diagonal cutter

Testsieger

Knipex Knipex 74 02 200 high leverage diagonal cutter
9.4/10about £30.40
View offer

Flush cutters and bolt cutters are exits

Flush cutters leave a flat stub on soft copper, cable ties, and electronics leads. That face is a weaker edge on hard wire. A 5 inch sprung flush pack is not a small high leverage cutter. Fencing wire in a flush pair notches the edge. Bolt cutters are centre-cut shears with long handles. When the section is a padlock hasp, an 8 mm rod, or fence wire well above a pliers millimetre, the honest tool is a bolt cutter or a shear, not a 200 mm diagonal pair with a pipe over the handles. One Sealey AK8375 review cut 5 mm livestock wire at the joint. That remains an anecdote.

Which head to choose

Choose the 74-style high leverage cutter when the wire is hard or the work is continuous. Keep a classic diagonal cutter when you need the tips and a slimmer head. Flush and bolt cutters are different tools with different edges. Once you know you want the high-leverage head, the best high leverage side cutters page names the listings.

Common questions

Are side cutters and diagonal cutters different tools?
In UK trade they are usually the same family: a diagonal cutting edge on pliers. High leverage is a joint inside that family. Flush cutters and bolt cutters are not synonyms. Ignore a catalogue that treats “diagonal” as the delicate name and “side” as the heavy name.
What does the 74 series do that the 70 series does not?
It puts the pivot closer to the edge for hard wire, nails, and piano wire, at the cost of a bulkier head. The 70 series stays slimmer and still nips thin copper at the tips. Both families can be insulated. The sleeves do not make a 70 into a 74.
Can a standard cutter still be the better buy?
Yes, when the job is fine strands in a tight box and you actually use the tips. A 200 mm high leverage head is then in the way. For hard or all-day wire, the standard pair is the one that chews.
Why are flush cutters not a small high leverage cutter?
Because the edge is ground to leave a flat stub on soft work. That face notches on hard steel. A sprung 5 inch flush pair is a different tool, even if the title says side cutters.
When is a bolt cutter the honest tool?
When the section is above a pliers millimetre: hasps, rod, heavy fence. Lengthening diagonal handles with a pipe is not a bolt cutter. Change tool rather than forcing the throat.
Does insulation decide the family, or the joint?
The joint. A VDE 70 is still a classic diagonal cutter. A comfort-grip 74 is still high leverage. Decide the head first, then decide whether the listing must say IEC 60900.

Related pages

High leverage side cutters buying guide

How to use high leverage side cutters

High-leverage side cutters

Best high leverage side cutters, and who should skip

VDE high leverage side cutters for UK electricians

Sources

Public UK and maker sources from the research digest. Listing prices, stars and review counts are the amazon.co.uk lines used for this comparison, captured on 19 October 2026.

  1. Knipex 74 02 200 high leverage diagonal cutters (retrieved 19 October 2026)
  2. Knipex 74 02 200 product data sheet (retrieved 19 October 2026)
  3. Knipex 74 06 180 high leverage diagonal cutters (retrieved 19 October 2026)
  4. Installer Online — the world of diagonal cutters (retrieved 19 October 2026)
  5. ISO 5749:2004 diagonal cutting nippers (retrieved 19 October 2026)
  6. IEC 60900:2018 live working hand tools (retrieved 19 October 2026)
  7. Electricity at Work Regulations 1989, regulation 14 (retrieved 19 October 2026)
  8. HSE — PUWER overview (retrieved 19 October 2026)