Forward & reverse rotation for screwdriving. Key-type chuck. Slimline with secure grip for fatigue-free & safe working. Electronic control for precise start up, speed & impact rate perfectly matched - optimum drilling performance. Speed preselection with selector wheel. Suitable for left handed operators. SPECIFICATION: Spindle thread:1/2" - 20 UNF 2. Spindle collar:43mm. Drilling capacity: steel:10 mm. concrete: 16 mm. wood: 25 mm. Rated speed:0-1600 rpm. Weight:1.7 kg. STANDARD EQUIPMENT: 13mm keyless chuck. 13mm key-type chuck. Auxiliary handle. Depth stop.