Senator high strength grip wrenches bodies are manufactured from rolled chrome
vanadium steel with serrated drop forged hardened steel jaws for a positive high
strength grip every time The body of the grip wrench is coated with a corrosion
resistant bright nickel finish and the jaw opening and clamping pressure can be
adjusted as required turning the knurled head screw adjuster. Each wrench is
fitted with a wire spring to ensure efficient jaw opening. The locking mechanism
holds the wrench in place once adjusted leaving both hands free