the one+ brushless series features ryobi's most advanced brushless technology. thanks to patented electronics and intelligent one+ battery technology, the brushless motor provides maximum tool performance provide more versatility: hammer drill in concrete, metal or wood rotary drill, chisel old masonry or use the floating chisel alignment mode to get the perfect angle to remove tiles. this rotary hammer drill can do it all. sds+ chuck for quick drilling and easy change of accessory bits auxiliary handle and depth guide provide better control and allow for more accurate drilling led illuminates your workspace for better visibility