Regrout Tool, 3 Speed Grout Remover, Remove Up To 1" Of Grout Per Second From Counters, Shower Tile, Vanities & Tubs, Works With Sanded Or Non-Sanded Grout, Comes With 2 Carbide Tips, A Pointed Tip For Grout Lines & Chisel Tip For Deep Areas, Will Not Damage Tile, For Use With Grout Lines Up To 1/8" Wide.