KENT 2-1/2" Round Diamond Oscillating Blade, For Grinding: Cement, Granite, Brick, Fits Fein Multimaster, Fein FMM250Q, Bosch, Chicago, Milwaukee KENT 2-1/2" Diameter Round Diamond Oscillating Blade For Grinding: Cement, Granite Fits Fein Multimaster, FMM250Q, Bosch, Chicago, Secco, Milwaukee See Our Compatibility Chart