HD18AG115-402C - M18 Angle Grinder 115mm, 2x 4.0Ah Batteries High performance 4-pole motor delivers maximum power whilst (optimising) maximising the power to weight ratio. REDLITHIUM-ION battery pack provides superior pack construction, electronics and fade-free performance to deliver more run time and more work over pack life. Flexible battery system: works with all Milwaukee M18 batteries. REDLINK overload protection electronics in tool and battery pack deliver best in class system durability. Full metal gear case delivers heavy duty durability. Reduced height of gear box and slim girth design deliver optimum ergonomics Non-lockable switch for best user protection and preventing automatic start up Burst resistant and tool-free safety guard for best user protection and fast adjustment Multi position side handle for ease of use Individual battery cell monitoring optimises tool run time and ensures long term pack durability. Fuel gauge displays remaining charge. Comes with 2 x 18V batteries, charger and carry case.