Input Power: 800 Watts Speed Without Load: 0–1500 rpm Blows per Minute (bpm): 0–5500 Energy impact: 2.6J (EPTA 05/2009). Holder for Tool: SDS-Plus Ideal Drilling Capacity: [Concrete]: 4–14 mm Maximum Drilling Volume: [Plank]: 30 mm [Metal]: Measures 13 mm [Concrete]: 26 mm