Power Input: 650W No Load Speed: 0-1 ,550rpm Blows/Min: 0-4,550bpm Tool Holder: SDS-Pius Max. Drilling Capacity [Wood]: 30mm Max. Drilling Capacity [Metal]: 13mm Max. Drilling Capacity [Concrete]: 50mm Max. Drilling Capacity [Core Bit]: Weight: 2.3kg Length x Height: 330x213mm