3 mode operation and no hammering when idling function Recessed lock-on button Anti-vibration main handle, anti-vibration housing and AVT Supplied with quick change keyless chuck Depth gauge Double insulation and torque limiter D shaped handle with a rubberised soft grip for increased comfort in use 3.9 J impact energy 30mm maximum capacity in concrete (TCT bit), 80mm maximum capacity in concrete (TCT core), 80mm maximum capacity in concrete (diamond core), 32mm maximum capacity in wood, 13mm maximum capacity in steel 110V machine with yellow 110V 3 pin plug, Weight: 9.92080179 Pounds, Manufacturer: Makita