Olympia Powergrip Hexagon Pipe Wrench 350mm (14in)Olympia Tools Powergrip Hexagon Pipe Wrench designed for single handed operation and particularly useful when working in tight confined spaces. The Cam Action jaw mechanism is self adjusting and increases the gripping pressure on the pipe as load is applied to the handle. The laminated steel construction provides strength and makes it lighter than traditional wrenches. Contoured ergonomic grip. 01156: 12. 5 38mm (1 2in 1 1 2in).