Milwaukee M18 BH 2 Mode SDS Plus Hammer with a superior power to weight ratio in its class 1.9kg 1.2 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 m/s. 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 -20C, 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 4.0Ah Li-ion Batteries. M18 BH-0: Bare Unit, No Battery or Charger. Specification Mode: Rotary Hammer or Rotation Only. No Load Speed: 0-1,200/min.Impact Rate: 0-6,100/bpm.Capacity: Wood 16mm, Steel 10mm, Concrete 16mm. Weight: 1.9kg.Milwaukee M18 BH-402C 2 Mode SDS Hammer 18V. Supplied with 2 x 18V 4.0Ah REDLITHIUM-ION Batteries, 1 x Charger and 1 x Kitbox.