Suitable for Scaffolding Applications DTW300 is a cordless brushless impact wrench powered by 2x 3.0ah 18V LXT Li-Ion batteries and replaces the popular DTW285 Features Electric brake Variable speed control by trigger Forward / reverse rotation LED job light Brushless motor Electronic 4 stage impact power selection Trigger switch with full speed mode: Variable speed mode can be changed to full speed mode simply by pushing a button. Because in full speed mode the trigger travel is shorter , the full speed is reached faster. Auto-stop system available both in forward/reverse rotation modes Specification Blows per Minute (Max) - ipm 0 - 4,000 ipm No Load Speed (max/hard/med/soft)0 - 3,200 / 2,600 / 1,800 / 1,000 rpm Nut Busting Torque 580 Nm Battery Type Lithium-ion Voltage 18 v Driving Shank 1/2" Square Blows per Minute (Hi) - ipm0 - 3,400 ipm Blows per Minute (Med) - ipm0 - 2,600 ipm Blows per Minute (Lo) - ipm 0 - 1,800 ipm Standard Bolt M10-M20 High Tensile Bolt M10-M16 Noise sound