2 Modes Power and Speed in a Compact Combination *Powerfull 600W motor *Robust block - pot stacked construction for superior reliability and durability *Lightweight, Suitable for overhead applications *Overload clutch for better protection of users and tool in case of jamming drill bit Specifications: Power: 600W Impact Energy: 0-1.7 J Impact Rate: 0- 4,400 bpm No-load speed: 0-1,400 rpm Capacity: 20mm