ProTorque is a torque wrench for the professional, manufactured to a high specification and finish. It has forged ratchet heads 3/8in or 1/2in square drive incorporating a 30 point ratchet mechanism and a push through square drive for right or left threads. Each ProTorque is serial numbered and issued with a certification of calibration. Calibration Test carried out on NAMAS approved equipment to B.S. 6703 and I.S.O. 6789 torque wrench standards.