The Bosch GSB 1600 RE Professional Impact drill is a compact and powerful tool with a metal quick-change chuck and handy forward/reverse rotation. There is electronic control for precise pilot drilling and a speed pre-selection setting wheel so you can choose your drilling speed. The soft grip handle provides a secure hold along with the auxiliary handle and carrying case for easy transport. This product comes with a 210mm depth stop and a 13mm keyless chuck.  Rated power input -701 W No-load speed - 0 - 3.000rpm Power output - 351 W Weight - 1.9 kg Drill spindle connecting thread - 1/2" - 20 UNF Chuck capacity - 13mm Drilling dia. in concrete - 16mm Drilling dia. in wood - 30mm Drilling dia. in steel - 12mm Drilling dia. in masonry - 18mm