1-1/8″ SDS Plus Rotary Hammer Kit. Get up to 85% Faster Drilling and 85% Harding Hitting while reducing Vibration to only 10.6 m/s2. With a powerful 8 amp motor, this rotary hammer delivers 0-1,500 RPM, 0-5,500 BPM and 3.6 ft-lbs of impact energy. This tool also has an all metal gear case and mechanical clutch to provide maximum durability. At only 12-1/2″ inches long and 7-1/2 lbs, this tool makes for a very powerful and lightweight 1-1/8″ 3-mode rotary hammer. The kit includes a side handle, depth rod and carrying case.