STD HAMMER ACTION Aluminum gear housing provides high quality and toughness. 400W. Compact and lightweight design. 2 operation modes - hammering with rotation and rotation only. Ergonomically designed handle with rubberized soft grip provides more control and comfort. Easy-to-operate large trigger switch and lock-on button. Double Insulation, Variable Speed and Reversing. Foward reverse switch Dial for pre set speed Real workhorse tool in a compact design.