Westward 5PWF2 Claw Valve Wheel Wrench Features Claw valve wheel wrenches wrap around the valve wheel and have two different sized openings to turn valves open or closed. They reduce the amount of force needed to turn valves that have a handwheel. These wrenches can be used to tighten or remove valve wheels. Head Size / 1-3/8 inch; 1-1/2 inch Material / Alloy Steel Finish / Black Oxide Overall Length / 21-1/4 inch Non-Magnetic / No Non sparking / No Corrosion Resistant / Yes Insulated / No