Features: Power input 600W, Cylindrical housing for durability, Offset of chuck: 28mm, Variable speed by trigger, Reversible by lever switch, Keyed chuck or keyless chuck available by areas. Specifications: Drill Chuck:1.5-16mm (1/16-5/8?) Keyless, Capacity: Concrete:16mm (5/8?), Capacity: Steel:13mm (1/2?), Capacity: Wood:25mm (1?), Power Input:600W, No Load Speed:0-2,900/min., Full Load Impact Rate:29,000/min., Overall Length:270mm (10-19/32?), Weight:1.5kg (3.3lbs.), Standard Accessories: Side Handle.