KNIPEX 250mm Ø 10 – 75 mm Siphon & Connector Pliers | 81 11 250

KNIPEX 81 11 250 Siphon & Connector Pliers (250mm, Ø 10–75mm)

KNIPEX 81 11 250 siphon & connector pliers are designed for controlled, non-marring gripping on large diameters, helping you tighten and loosen plastic pipe fittings and siphon screw connections without damaging sensitive components. Ideal for plumbing and maintenance tasks, this KNIPEX connector plier offers a wide gripping range with fine adjustment for a secure hold.

Model 81 11 250 uses specially shaped jaws for large pipe diameters and round union nuts, making it a practical choice for working on odour traps, plastic pipes and connectors where measured torque and surface protection matter.

Key Features

• Wide gripping range (up to Ø 75mm): Handles large diameters for siphons, plastic pipe fittings and round union nuts.
• Fine adjustment: Helps achieve an accurate fit across diverse diameters for confident, controlled turning.
• Exchangeable plastic jaws: Designed to protect sensitive surfaces when tightening or loosening.
• 25-way adjustable box joint: Offers multiple positions to suit different connector sizes and working clearances.
• Purpose-shaped gripping jaws: Built for large pipe diameters and union nuts where standard water pump pliers may not fit as well.
• Ergonomic handle geometry: Shaped for comfortable handling during repetitive adjustment and turning.

Specifications at a glance

Suitable applications

• Opening and tightening odour traps and siphon screw connections on kitchen and bathroom fittings
• Tightening and loosening plastic pipe fittings and sensitive connectors
• Detaching hoses that have stuck to supports (e.g. coolant hoses)
• Working with round union nuts on connectors and couplings with a screw connection