Accessories: Small black box steel drilling diameter (mm) : 10; Product type: Rechargeable percussion drill; Maximum impact rate (bpm) : 22,500; Wood drilling diameter (mm) : 20; Battery voltage: 12V; Weight (kg) : 0.9; Maximum screw diameter (mm) : 8; No-load speed (1st / 2nd gear) (rpm) : 0-400/0-1500; Chuck diameter (mm), min/Max: 0.8/10; Concrete drilling diameter (mm) : -; Torque (soft/hard/Max) (Nm) : 14/30/-; Torque setting: 20+2; Brick wall drilling diameter (mm) : 8;