GRINDING CUP WHEEL with resin ItemTypeSpecGritArbor sizeRemarks MRGW-040Segment4.0"(100ø)C.M.FM14,5/8" 11F MRGW-045Segment4.5"(115ø)C.M.F MRGW-050Segment5.0"(125ø)C.M.F Available only in 4" diameter for small angle grinder.