Knipex High Leverage Diagonal Cutters (8")

Why Knipex

Cheap diagonal cutters work fine on copper wire and zip ties. The moment you hit a hardened nail, a piece of piano wire, or ACSR cable, cheap cutters either fail to cut or the jaws chip. Then you buy another pair. And another.

The Knipex 8-inch high leverage diagonal cutters are $35. They are made from chrome vanadium electric steel, hardened to handle materials that destroy lesser tools. You buy them once.

What They Cut

  • Hardened nails: Clean cuts, no jaw damage.
  • Piano wire: Cuts without the wire slipping or the jaws spreading.
  • ACSR cable: Aluminum conductor steel-reinforced cable. Most cutters cannot touch this.
  • Standard copper wire: Obviously. Up to 0 AWG with effort.
  • Zip ties, cable sheathing, romex: Effortless.

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The High Leverage Design

The pivot point is positioned closer to the cutting edge than standard diagonal cutters. This gives you roughly 20% more cutting force with the same hand effort. For all-day use or tough materials, that difference adds up.

For DIYers

You might think $35 cutters are overkill for home use. They are not. Even if you only use them a few times a year, you will never have to replace them, and they will cut everything you throw at them without hesitation. That is worth more than saving $15 on a pair you will replace in two years.