Bosch GSB 21-2 RE Professional Impact Drill with a high-performance motor and sturdy metal gear housing for a long lifetime. The anti-rotation mechanical overload clutch provides a high level of work safety, even in the toughest applications. Supplied with: 1 x Keyless Chuck 13mm, 1 x Auxiliary Handle, 1 x Depth Stop 210mm and 1 x Carry Case. Specifications: Bit Holder: 1/2in-20 UNF.Input Power: 1,100W.No Load Speed: 0-900/3,000/min.Impact Rate: 0-15,300/51,000/bpm.Max. Torque: 40Nm.Weight: 2.85kg.