M18 FUEL™ SDS plus 3-mode rotary hammer. 2-1/2 inch thin wall core bit capacity. 1 inch solid bit capacity. FUEL™ technology, delivers faster than corded speed, corded durability and all day work on one charge. POWERSTATE™ brushless motor provides 1.7 ft-lbs of impact energy, 0 to 1400 RPM and 0 to 4900 BPM. REDLITHIUM™ XC 4.0 battery packs provide all day work on one charge, 20% more power and 2X more recharges than standard lithium-Ion batteries. REDLINK PLUS™ intelligence, integrates full-circle communication between tool, battery and charger to protect from overloading, overheating and over-discharging. AVS anti-vibration system minimizes vibration for maximum comfort. Includes (1) M18 FUEL™ 1 inch SDS Plus rotary hammer (2712-20), (2) M18™ REDLITHIUM™ XC 4.0 extended capacity battery pack (48-11-1840), (1) M18™ and M12™ multi-voltage charger (48-59-1812), (1) depth rod, (1) side handle and (1) carrying case.