The Makita model DTW190 is an entry level 18v cordless impact wrench with an optimal tightening torque of 190 Nm. Not Recommended for Scaffolding Applications. Specifications • Battery Type: Lithium-ion • Voltage: 18v • 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/sec² • Vibration K factor: 1.5 m/sec² • Net weight: 1.7 kg Features and Benefits • Electric brake • Variable speed control trigger • Forward/reverse rotation • LED job light • Ergonomically designed handle with rubberised soft grip fits your hand perfectly to provide maximum control and comfort Contents • DTW190 Cordless Impact Wrench only • No Battery • No Case • No Charger