The De Walt 18V XR Lithium Ion Brushless Self Drilling Screwdriver has been constructed using a Brushless motor for maximum runtime, that delivers high torque & speeds of up to 2000rpm. The unit is capable of driving screws up to 6.15mm in diameter efficiently. The variable speed switch features an easy to use forward & reverse switch. The Versa clutch locks which ensures repeatable fastening saving time & effort. The trigger lock on allows for repetitive driving without having the need to pull the trigger. A built in LED offers enhanced visibility during application. Ideal applications include driving screws into metal roofing, metal sidings & HVAC. This product is a bare unit & is not supplied with a battery.