A professional quality 1\" square drive breaker bar from Draper The Draper 34342 is an expert quality 1\" square drive breaker bar. It is manufactured from chrome vanadium steel hardened, tempered and chrome plated. Specially designed chrome molybdenum hinged joint head for extra torque. Spring-loaded ball bearing for secure socket holding. Features: Spring-loaded ball bearing for secure socket holding Specially designed chrome molybdenum hinged joint head for extra torque  Quality, manufactured from chrome vanadium steel hardened, tempered and chrome plated Specification: Length: 760mm Drive: 1\" Square