Birzman Torque Wrench 3-15Nm BM10-ST-TW-01-K" Drive torque wrench (3 15Nm) and bit sockets. 3,4,5,6,8 mm hex, T25, 75mm 3" extension bar. The torque ranges from 3 15 Nm, with 0. 1 Nm increments in between each whole number. To adjust the setting, pull down on the collar on the handle and rotate until the indication sits on the desired setting. Constructed from Chrome Vanadium which combines strength, toughness and resistance against wear and tear, the set includes seven bit sockets: H3 4 5 6