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12 inch Alligator water pump pliers, grey phosphate finish, plastic grip handles

Knipex

Knipex 88 01 300 12" Alligator Water Pump Pliers, Plastic Grip

SKU CH-C0ZH-K39RC

Adjustable tongue-and-groove pliers with nine jaw positions, hardened teeth to 61 HRC and a pinch guard on a 12-inch frame

  • TypeAngle, Pitch & Slope Locators
  • Self-locking grip prevents slipping on pipes
  • 9 adjustment positions fit various jaw openings
  • Hardened teeth at 61 HRC resist wear
  • Box-joint design adds stability under load
  • Pinch guard protects fingers during use

12" Alligator Water Pump Pliers

These 12-inch Alligator water pump pliers suit tradespeople and serious DIYers who need adjustable gripping power for pipes, nuts and irregular shapes. The nine-position groove joint lets you match the jaw to the work quickly. A V-shaped serrated jaw profile bites securely on round and flat stock alike. They are built for daily professional use.

Thermals noise and power draw

Hand tools generate no measurable heat, noise or electrical draw during normal operation. The phosphate coat resists corrosion without adding friction that could warm the joint. Smooth box-joint action keeps user effort low across all nine settings. No external power source is required.

Build quality and day-to-day implications

Chrome vanadium electric steel with teeth hardened to 61 HRC delivers long wear resistance. The double-guide box joint prevents jaw wobble under load. A pinch guard protects fingers during high-force adjustments. Standard cushion grips provide comfort but are not insulated for electrical work. The pliers are not tether-ready and have no non-sparking rating.

Highlights

  • Self-locking grip prevents slipping on pipes
  • 9 adjustment positions fit various jaw openings
  • Hardened teeth at 61 HRC resist wear
  • Box-joint design adds stability under load
  • Pinch guard protects fingers during use

Specifications

BrandKNIPEX
TypeAngle, Pitch & Slope Locators

Questions about this item

How do I adjust the 9 jaw positions on the Knipex 88 01 300 without pinching my fingers?

Press the box-joint release, slide the lower jaw to one of the 9 groove settings, then let the double guide lock it; the built-in pinch guard stops the handles from closing on your hand during the change.

What part of the Knipex 88 01 300 wears first and needs replacement?

The serrated V-jaws are hardened to 61 HRC; under normal use the phosphate coat and teeth last years, but heavy pipe work will eventually round the teeth, requiring a new plier.

At what jaw opening does the Knipex 88 01 300 lose grip on a 2 3/4 in pipe?

The maximum opening is 2 3/4 in; beyond that the self-locking V-jaws cannot engage, so the tool slips on larger diameters.

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