Milwaukee M18 BH 2 Mode SDS Plus Hammer with a superior power to weight ratio in its class 19kg 12 J EPTA A high performance 4-pole motor delivers maximum power whilst maximising the power to weight ratio REDLINK™ overload protection electronics in tool and battery pack deliver best in class system durability 2 mode operation choose rotary hammer or rotation only for maximum versatility and low vibration value of 10 ms² Optimised hammer drilling from 4 to 10mm Max diameter 16mm Has a forward and reverse switch for added versatility in fastening application and a 43mm neck size that is compatible with the M12 DE dust extractor A fuel gauge displays remaining charge and a bright LED provides workspace illumination REDLITHIUM-ION™ batteries deliver two times more run time up to 20 more power and two times more battery life The battery also operates better at -20°C than any other lithium-ion batteries Individual cell monitoring optimises tool run time ensuring long term durability Flexible battery system that works with all Milwaukee M18™ batteries M18 BH-402C 2 x 18v 40Ah Li-ion Batteries M18 BH-0 Bare Unit No Battery or Charger Specification Mode Rotary Hammer or Rotation Only No Load Speed 0-1200min Impact Rate 0-6100bpm Capacity Wood 16mm Steel 10mm Concrete 16mm Weight 19kg