B5(3/16") Demi-bullnose/Roundover Diamond Router Bits 4" Diamond Polishing 44+1 Pads Granite Marble 1 Piece of B5 (3/16" / 5mm) Demi / Half / Radius Bullnose Router Bit / Profile Wheel. 5/8"-11 Thread arbor. vaccum brazed diamond coarse. 44 Pce of 4" Diamond Polishing Pad for granite marble: 7 X Grit 50-400, 4 X Grit 800-6000Buff. 1 Pce 4" Rubber Pad Holder (Rubber Baker MUST be used with grinder speed lower than 5000RPM).