This Black & Decker X32075 Proline Cut Off Disc can be used for cutting stone. It fits all 115mm (4.5in) grinders and has a depressed centre, that allows better access to the work piece.
Specification:
Diameter: 115mm (4.5in)Bore: 22.23mmDisc Thickness: 3mmMax. RPM: 13,300/min.