This is a perforator for Bosch GSR18V-535FCB15 to work with any masonry (brick, concrete, etc.). It makes an 18V cordless drill the right tool for most jobs on a typical construction site, except when doing really heavy demolition work. "Materials that generate a lot of dust during operation, if wearing a mask isn’t possible for one reason or another, or simply to minimize cleaning afterwards. If you buy a drill press, you also buy this hammer drill. , as both parts together pack a lot more…