BOSCH 24V ROTARY HAMMER: See why its called The Annihilator. 24 V power yet compact and light weight. Hammer and standard drilling modes. Uses SDS-plus bit system with tool-free bit changes. Battery level guage. Auxiliary handle with built in depth guage. Includes: Rotary hammer, battery, charger, aux. Handle, depth guage and carry case. Impact energy: 1.0 ft. lbs. Max bit size 7/8, Length: 13 Wt: 9.2 lbs.