Slip-joint pliers Knipex Cobra 87 02 250

KNIPEX Cobra® slip-joint pliers are a high-tech water pump pliers model designed for fast, precise adjustment without time-consuming presetting. The patented quick-adjust mechanism lets you position the upper jaw on the workpiece, push the button and slide the lower jaw to the required width. With a length of 250 mm and a weight of 366 g, these pliers offer robust construction and reliable grip for plumbing and mechanical tasks.

Advantages

The adjustable jaw accepts pipe diameters up to 50 mm and nuts up to 46 mm, delivering wide capacity in a compact 250 mm tool. The push-button quick adjustment enables single-handed size changes and secure jaw engagement. Designed and manufactured by Knipex, the pliers combine durable materials, precise jaw geometry and consistent gripping performance for repetitive and demanding work.

Suitable for

• Plumbing work such as gripping and turning pipes, fittings and hose connections
• Mechanical assembly and maintenance tasks requiring adjustable gripping
• General workshop use for nuts, bolts and irregular shapes

Key specifications

• Brand: Knipex
• Model / MPN: 87 02 250
• EAN: 4003773040316
• Tool type: Slip-joint / water pump pliers (KNIPEX Cobra)
• Overall length: 250 mm
• Weight: 366 g
• Max. pipe diameter: 50 mm
• Max. nut size: 46 mm

How to use

Position the upper jaw on the workpiece, press the push-button and slide the lower jaw until the jaws contact the part. Release the button to lock the selected position. Apply force to the handles to grip or turn the workpiece; readjust by pressing the button and sliding as needed. Use proper body posture and hand placement to maintain control during operation.

Recommendations

For safe and long-lasting performance, inspect the pliers before use, avoid excessive force beyond normal hand tools limits, and keep the jaws clean and free of grit. Use the tool for its intended purposes—gripping, holding and turning—and store in a dry place to prevent corrosion.