General description This is a professional-grade groove joint water pump plier designed for durability and precision. Made from chrome vanadium steel that is oil-hardened and tempered, it offers reliable performance for various plumbing and maintenance tasks. Technical specifications Material: Chrome vanadium electric steel, oil-hardened and tempered Jaw faces: Smoothly ground with accurately milled five-position high leverage non-slip groove Pivot bolt: No-wear design Teeth hardness: Hardened to 61 HRC Handle: Plastic-coated with slip guards Length: 250mm Compatibility and accessories Compatible with standard plumbing fittings and pipes Designed to work with various sizes of nuts and bolts within its jaw capacity Installation No installation required; ready to use out of the box. Usage Use for gripping, turning, and holding pipes, nuts, and fittings Adjust the jaw size by selecting the appropriate groove position for a secure grip Apply force evenly to prevent slipping and damage