This Grout Removal Blade is a 2-1/2-Inch diameter blade that quickly removes material such as grout, plaster and other adhesive products from floor or wall tiles during replacement or restoration projects. It is 1/8-Inch thick and is ideal for removing grout or thinset from between tiles. This GAMT731 1/8-Inch Grout Removal Blade Universal Accessory fits almost All Oscillating Tools on the Market, most with NO Adaptor Needed and is an excellent accessory for our popular Genesis GMT15A, GMT16V and GMT25T Oscillating Tools.