The 1 9/16-in. SDS Max and Spline Rotary Hammers come equipped with a 10 1/2 amp motor and develop 5 1/2 ft.-lbs. of impact energy to provide maximum performance. The hammers feature two-mode operation (rotary hammer/hammer only) and Constant Power Technology for consistent performance. They also offer 450 rpm and 3000 bpm while only weighing 15 lbs. All hammers come with a side handle and carrying case. Milwaukee Corp. 800-729-3878.