Knipex Alligator Water Pump Pliers - 250mm - 88148

The Knipex Alligator Water Pump Pliers feature professional quality construction, manufactured fro...

Best current price£29.44from Power Tools Direct

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Power Tools DirectKnipex 88148 Alligator® 88 02 250 Waterpump Pliers 250Mm Each
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£29.44
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OnBuy.comKnipex Alligator® 88 02 250 Waterpump Pliers, 250Mm
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£35.70
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eBayDraper 88148 KNIPEX Alligator 88 02 250 Water Pump Pliers 250mm
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£38.04
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B&QB&Q - Knipex Alligator 88 02 250 Water Pump Pliers250mm 88148
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£38.35
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My Motor WorldKnipex Alligator 88 02 250 Waterpump Pliers, 250Mm
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£49.99
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Product Information

Full details

The Knipex Alligator 250mm Water Pump Pliers are designed for professional tradespeople and serious DIY enthusiasts who require a reliable, heavy-duty gripping tool for plumbing and mechanical tasks. These pliers offer a superior, self-locking grip on pipes and nuts through precision-engineered hardened teeth, significantly reducing the effort required to apply torque. While these pliers excel in durability and grip, the fixed-position adjustment mechanism may feel less intuitive for those accustomed to push-button quick-adjust models.

All features

Model Part Number88148
BrandKnipex

Extended Product Information

FAQs

What is the maximum jaw opening capacity?

These 250mm pliers are designed to accommodate pipes and nuts effectively up to approximately 50mm in diameter, though the nine-position adjustment allows for precise fitment across a wide range.

Are these pliers suitable for electrical work?

While made of durable steel, they are not VDE insulated. Do not use these pliers on live electrical circuits.

How do I maintain the hardness of the teeth?

The teeth are induction-hardened to 61HRC. Avoid using the pliers as a hammer to prevent premature chipping of the hardened steel.

What is the benefit of the 'no-nip' design?

It prevents the two handles from coming together and closing on your fingers, which is a common hazard with traditional pump pliers.

Is this tool manufactured to professional standards?

Yes, these pliers are manufactured in accordance with DIN ISO 8976 specifications.

Troubleshooting

Adjustment sliding feels stiff

Apply a small amount of machine oil to the pivot joint and cycle the pliers open and closed several times to distribute the lubricant.

Jaws slipping on smooth pipe

Ensure the pliers are set to the correct position notch so the parallelogram geometry is properly engaged with the pipe surface.

Pros and Cons

Pros

  • Extremely durable steel construction resists wear
  • Hardened teeth provide a superior, self-locking grip
  • Safety 'no-nip' feature prevents hand injuries
  • Nine adjustment positions offer high versatility
  • Reliable box-joint design prevents handle wobble

Cons

  • Lacks the instant push-button adjustment found on some modern pliers
  • Heavier feel due to robust professional-grade construction
  • Fixed adjustment notches require manual sliding to reset

Setup, Compatibility & Care

These pliers do not require complex setup; simply slide the box joint to the desired position to fit your specific workpiece. For optimal longevity, wipe the jaws clean of metal shavings or debris after every use to ensure the hardened teeth maintain their grip. Regularly applying a light machine oil to the pivot point will ensure smooth adjustment. Store in a dry toolbox to prevent surface oxidation, although the oil-hardened steel is inherently resistant to environmental stress.

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