Continuous rating input 720 W Capacity Concrete 20 (3/4) mm(") capacity_steel Hi 8 (5/16) mm(") capacity_steel_Lo 13 (1/2) mm.(") capacity_wood Hi 25 (1) mm.(") capacity_wood Lo 40 (1-9/16) mm.(") Impacts per minute Hi (IPM) 0 - 58,000 Impacts per minute Lo (IPM) 0 - 24,000 No load speed Hi (RPM) 0 - 2,900 No load speed Lo (RPM) 0 - 1,200 Overall length 362 (14-1/4) mm (") Net weight 2.5 (5.6) kg(lbs) Double Insulation ✓ Variable Speed ✓ Reversing ✓ Mechanical 2-Speed ✓ Torque Limiter ✓ Carrying Case ✓ Carbon brush No. 419