Toolzone Professional Calibrated Torque Wrenches1/4″, 3/8″, 1/2″ DriveProfessional quality torque wrenchesfully calibrated for accurate torque settingslied with calibration certificateorms to BS EN 26789:1994, ISO 6789:2003, U.S. Federal CGG-W-686 standardsed with locking nut to fix current torque settingometer twist grip adjustmentlable in either low range 5-25nm, or high range 70-350nmlable in 1/4″, 3/8″ and 1/2″ square drive sizesained in tough plastic case for protection when not in uselable in the following:- 1/4″ – 5-25Nm- 3/8″ – 5-25Nm- 1/2″ – 70-350Nm