The new Hilti SF 2H-A Cordless Hammer Drill/Driver is the perfect balance between big performance and compact size for easy access in confined work spaces. This combination hammer drill/driver provides versatility to tackle multiple applications such as drilling small diameter anchor holes in hollow concrete block or brick and installing masonry screw anchors to drilling and fastening into wood base materials. Upgraded ergonomics - fits firmly in your grip, for more comfortable handling and precise control. Great for drilling with HSS bits up to 6 mm Dia in metal. Hole sawing up to 35 mm Dia in metal.