1000 Watts of power input Speed without load: 0–820 rpm Blows per minute (bpm): 0–4700 Energy impact: 4.2J (EPTA 05/2009). Holder for Tool: SDS-Plus Ideal Drilling Capacity: [Concrete]: 6–22 mm Maximum Drilling Diameter (Wood): 32 mm [Metal]: Measures 13 mm [Concrete]: 32 mm