KT PRO’s Preset torque wrenches are designed to provide thousands of accurate cycles in a clockwise directional use. Made from the highest quality alloy steel that accords to International DIN and ASME standards. With a 32 teeth quick release ratchet mechanism and an industry leading +_3% torque tolerance within its class. A distinctive click sound will occur when torque value is achieved. 4 preset options are available that come with a certificate of calibration and backed by a 1 year warranty.