Hex Wrench Park Tool PH-4Hex Wrench Park Tool PH 4 Engineered for utility and durability, Park Tool P shaped hex wrenches can be found in bike shops around the world. The PH 4 features a straight chamfered tip on the handle for high torque applications and a ball end tip on the long end for access to hard to reach bolts. Constructed from high torque industrial steel and molded with an extremely comfortable ergonomically shaped nylon handle. Features Offset P handle made from