Breaker bar 1/2 inch designed to be used with sockets to break loose tight fasteners The Draper 34334 is a high-quality breaker bar made from hardened and tempered chrome vanadium steel. It has a 1/2\" square drive and is designed to be used with sockets to break loose very tight fasteners. The hinged joint head provides extra torque. Features: Manufactured from chrome vanadium steel that has been hardened, tempered and chrome plated for long life Specially designed chrome molybdenum hinged joint head for extra torque Spring-loaded ball bearing for secure socket holding Specification: Length: 640mm Drive: 1/2\" square