The SBE710 and the SBE 1100 Plus are designed for use on concrete block, solid concrete, and brick. The SBE7 10 1/2-in. hammer drill has a maximum impact rate of 59,000 bmp and provides a 3/4-in. maximum drilling diameter while the SBE 1100 Plus 1/2-in. hammer drill has a maximum impact rate of 53,000 bmp and can drill holes up to 3/4-in. in concrete, 5/8-in. in steel and 1 9/16-in. in soft wood. Both tools include Metabo’s safety slip clutch, auto-stop carbon brushes, and a winding protection grid. Metabo. 800-638-2264. www.metabousa.com