So you have company coming, and yes you've neglected the bathroom just a bit to long and you're dreading the clean up duty.Attach this to any good high speed portable drill, wet the shower walls, one hand sprays any good bath/tile cleaner and the other applies the drill with this Nyalox brush bitted up. Cuts the cleaning time in half, near zero effort, and results in sparkling tile and clean white grout without the hours of scrubbing. Works just as well on tile floors, back splashes, porcelain tSee full review