1/2" industrial electro-pneumatic rotary hammer, with ergonomic non-slip handle 360° and reversible variable speed. Specifications: drill bit: 1/2" (13 mm)/SDS Plus, weight 2.5 kg, consumption 5.4 A, power 650 W, variable speed 0-2, 100rpm, strokes 0-5,510 gpm, Ø concrete drilling 11/16" (18 mm), Ø drilling steel 1/2" (13 mm), Ø wood 1 1/4" 32" mm), voltage/frequency 120 V/60 Hz, duty cycle 50 minutes work x 20 mins. Rest, maximum daily 6 hours, rotary hammer, drill, chisel and free mode for chisel orientation.