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Blue steel diagonal-cutting pliers with plastic-dipped handles spring loaded

Klein Tools

Klein Tools 409-D244-5C Diagonal-Cutting Pliers

SKU CH-MTTQ-R4RQ4

Insulated diagonal-cutting pliers with slim tapered jaws cut copper, soft, hard and piano wire up to 4 AWG

  • Product typePliers
  • Main materialSteel
  • Color and finishBlue
  • Key featuresPlastic Dipped Handle Spring Loaded
  • Insulated handles rated to 1000 V for electrical safety
  • Slim tapered nose reaches tight spots with 15/32 in tip width
  • Spring-loaded action reduces hand fatigue during repetitive cuts
  • Tool-steel jaws cut 4 AWG copper and piano wire
  • Ergonomic red-and-yellow plastic-dipped grips provide secure hold

What the Klein Tools 409-D244-5C Is

These diagonal-cutting pliers are built for electricians and technicians who need a compact, insulated hand tool for precise wire trimming. The slim tapered nose reaches into tight junction boxes and terminal blocks where bulkier cutters cannot fit. Spring-loaded handles reduce hand fatigue during repetitive cutting tasks. The red and yellow dipped grips provide comfort and quick visual identification on a busy workbench.

The Specification That Decides Fit

The 1000 V insulation rating is the single figure that determines whether this tool meets the safety requirements for live electrical work. Without that rating the pliers are only suitable for de-energised circuits. The slim nose profile and 11/16 in jaw length define the maximum reach and cutting geometry for confined spaces. Buyers who need a wider jaw opening or a non-insulated heavy-duty cutter should look elsewhere.

Capacity and Headroom

The cutting capacity is rated for 4 AWG copper and covers soft, hard and piano wire within that gauge. The maximum jaw opening of 7/8 in sets the upper limit for the thickest single conductor that can be positioned for a clean cut. For larger gauge cables or multi-strand bundles the tool will run out of leverage and jaw depth. The spring return assists repeated snips but does not increase the fundamental cutting limit.

How it compares

Measured against everything we stock in Pliers, Wrenches & Gripping Tools, at today’s prices. Recalculated every night.

Price $37.99
Pricier than about 69% of the 2,110 comparable items (median $23.99).

Specifications

Product
Brand nameKlein Tools
Product typePliers
Color and finishBlue
Size & build
Main materialSteel

Questions about this item

How does the 1000V rating apply when I use these pliers on live circuits?

The 1000V insulation rating means the handles are tested to protect against accidental contact with energised conductors up to that voltage; always verify the circuit is de-energised before work and follow local electrical safety procedures.

What does the 4 AWG copper cutting capacity mean for typical wiring jobs?

These jaws can cleanly cut solid or stranded copper wire up to 4 AWG, covering most residential and light commercial branch-circuit conductors; harder materials such as piano wire are also within the rated capacity.

Will the 5 1/16 in overall length fit in my standard tool pouch?

At just over five inches long with a 7/8 in maximum jaw opening, the pliers are compact enough for most electrician pouches or belt holsters while still giving enough leverage for the rated cutting tasks.

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