Drill and drive in one- the one for drilling holes and driving fasteners. The one is capable of drilling hole,anchor sleeve embedment,anchor sleeve expansion hammering,anchor sleeve expansion pulling and nut driving, Screw driving, no more need to carry heavy manual hammer and wench for fastener installation. Quick interchange between drilling and driving, great time and energy saving to triple your working efficiency. Functional adapters and sockets are available to meet the needs of almost all expansion anchor installation work. additional benefits of the tool,such as detachable drill bit body for cost saving, Drilling-stop for optimum drilling depth to avoid the troublesome of over drilling or too shallow drilling or manual depth marking covered by dust. Visit our website to know some more details.