Makita impact wrench with 1/2\" square drive, 190Nm fastening torque and 3000ipm Model DTW190 is an entry level 18V cordless impact wrench with a 1/2 inch square drive and an optimal tightening torque of 190 N.m. Equipped with Battery protection circuit which is designed to protect the battery from damages due to overdischarge, high temperature or overload current. Sold without battery or belt clip in a cardboard carton. Features: Electric brake Variable speed control trigger Forward/reverse rotation Battery protection circuit Ergonomically designed handle with rubberised soft grip fits your hand perfectly to provide maximum control and comfort Specification: Battery Type: Lithium-ion Body only machine Voltage: 18 v Driving Shank: 1/2\" Square Impacts: 0-3,000 ipm Standard Bolt: M8-M16 High Tensile Bolt: M8-M12 Noise sound pressure: 94 dB(A) Noise sound power: 105 dB(A) Noise K factor: 3 dB(A) No Load Speed: 0 - 2,300 rpm Max Fastening Torque: 190 Nm Vibration: Fastening Bolt: 8.5 m/sec_ Vibration K factor: 1.5 m/sec_ Net weight: 1.7 kg