30mm Rotary Hammer with increased drilling efficiency adapted for SDS-Plus bits Double insulation Forward/reverse rotation with recessed lock-on button for continuous use Torque limiting clutch to minimise gear damage, automatically disengaging the gears if the bit binds 3 mode operation for rotation only, hammering with rotation and hammering only No hammering when idling function designed to increase the tool life Anti-vibration main handle to absorb excess vibration and D shaped handle with rubberised soft grip for increased comfort in use Depth gauge for increased drilling consistency 3.9 J of impact energy 30mm maximum capacity in concrete with TCT bit, 80mm maximum capacity in concrete with TCT core, 80mm maximum capacity in concrete with diamond core, 32mm maximum capacity in wood and 13mm maximum capacity in steel, Weight: 9.92080179 pounds, Manufacturer: Makita