variable speed, vibration reduction in the hammer mechanism and the grip area provides maximal user comfort for lengthy periods of work, maintains speed under load and overload protection, delivers 20 percent more power in hammer lone mode, rotates and locks chisel into 12 antithetic positions, service featherweight indicates when blockading maintenance is required, cord turret reduces cord wear. : impact energy -LRB- ft. lbs . -RRB- . 7.4 Ft.. / -LRB- turbo -RRB-, 18 daylong, max. hole. : concrete-1-5 / 8, concrete-core bit-4-1 / 8, no load BPM is 1,700-2,900, no load RPM is 170-340, 120V, weighs, 15.1 lbs. : -LRB- 1 -RRB- 360 degree subsidiary lateral handle with depth stop, -LRB- 1 -RRB- carrying case. Unmatched to Weight Ratio - 13 Amps, 8.1 ft-lbs Impact energy & 14.3 lbs -- Best performing turning hammer in its class ! . ; fighting Vibration ™ - Vibration reduction in the hammer mechanism and the grip area provides maximal user comfort for lengthy periods of work ; One-Hand ™ SDS-max - One-hand tool loose SDS-max system makes changing bits easier than ever before while maximizing jobsite productivity ; invariant Response Circuitry - Maintains speed under load and overload protection ; TurboTM Power -- delivers 20 % more power in hammer lone mode ; Vario-Lock ™ Positioning - Rotates and locks chisel into 12 antithetic positions ; Auto-Max ™ variable speed Dial - Ensures maximal speed every time the tool is turned on ; Service Minder ™ featherweight -- indicates when blockading maintenance is required ; proprietary cord turret - Reduces cord wear ; Includes : -LRB- 1 -RRB- 360 deg. Side Handle and -LRB- 1 -RRB- Carrying Case .