BAUER 8.5 Amp, 1 in. SDS-PLUS Type Variable-Speed Rotary HammerThe BAUER Rotary Hammer features an 8. 5 amp motor that provides up to 17% more power* for effortless drilling into masonry and concrete. With SDS PLUS type bit retention, changing bits is simple and ensures a secure hold while hammering and drilling. This rotary hammer also boasts a 4 in 1 switch for multiple functions, a powerful 8. 5 amp motor with variable speed trigger and lock on, a comfortable D handle with overmold, and a 360 side handle for