General description A set of three mini ratchet heads in 1/4""D, 3/8""D & 1/2""D, ideal for tight or restricted access applications. This set allows standard sockets to be used as an alternative to fixed crows foot wrenches. Technical specifications Ratchet mechanism: 72 teeth with locking detent Max torque: 1/4""D: 78Nm (8kg-m; 57lb-ft) 3/8""D, 1/2""D: 245Nm (25kg-m; 180lb-ft) Length: 1/4""D: 48mm 3/8""D, 1/2""D: 62mm Head depth: 1/4""D: 9mm 3/8""D, 1/2""D: 11mm Usage Ideal for use in combination with an extension bar & torque wrench, to allow torque setting of hard to reach components. Other information Ratchets available individually, please see Laser Part Nos. 8077 (1/4""D), 8078 (3/8""D), 8079 (1/2""D).