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Klein Tools VDV427-300 punchdown tool with 66/110 blade, cushioned handle, spring-loaded

Klein Tools VDV427-300 Impact Punchdown Tool 66/110 Blade

SKU CH-AJ7N-QYYKB

Impact punchdown tool terminates and cuts CAT3, CAT5e and CAT6/6A cables in one step with a 66/110 blade and adjustable force

  • SpecificationsKLEIN TOOLS
  • Terminate and cut CAT3, CAT5e, CAT6/6A wires in one step
  • Punch cables into 66 and 110 panels and blocks for versatile networking setups
  • Metal injection moulding blade delivers durable, long-lasting performance
  • Adjustable Hi/Low impact force suits different cable types and applications
  • Spring-loaded mechanism seats and terminates wires quickly and effortlessly

Impact punchdown tool for CAT cable

This impact punchdown tool terminates and cuts wires in CAT3, CAT5e and CAT6/6A cable in a single step. It seats conductors into 66 and 110 panels and blocks. A metal injection moulding blade is included for durability. The spring-loaded mechanism speeds up repetitive termination work.

Upgrades from manual punchdown methods

Installers who currently use non-impact hand tools will see faster, more consistent seating on high-volume jobs. The adjustable Hi/Low impact-force lever lets you match the setting to the cable type and panel density. The jump is worth it when daily termination volume makes hand fatigue a real concern.

Easy install with common pitfalls

The tool arrives ready to use with the 66/110 combination blade fitted and a pick and spudger included. No separate driver or power source is required. Common issues include selecting the wrong force setting for the cable gauge, which can damage conductors, and failing to align the blade squarely on the contact, which leads to split or missed terminations.

Highlights

  • Terminate and cut CAT3, CAT5e, CAT6/6A wires in one step
  • Punch cables into 66 and 110 panels and blocks for versatile networking setups
  • Metal injection moulding blade delivers durable, long-lasting performance
  • Adjustable Hi/Low impact force suits different cable types and applications
  • Spring-loaded mechanism seats and terminates wires quickly and effortlessly

Specifications

BrandKLEIN TOOLS
SpecificationsKLEIN TOOLS

Questions about this item

Does the VDV427-300 fit standard 66 and 110 punch-down blocks?

Yes, the included combination 66/110 blade is made to seat wires in both 66-style and 110-style panels and blocks.

How do I switch between the Hi and Low impact settings, and what mistake should I avoid?

Slide the selector lever to Hi or Low before punching; the common error is changing the lever while the spring is cocked, which can damage the mechanism.

When will the 66/110 blade need replacement, and how is it swapped?

Replace the MIM blade when cuts become ragged or wires are not cleanly severed; the blade pulls out and a new one pushes in without tools.

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