1" Full Bullnose Router Bit marble stone Concrete 2" Grinding Drum Convex Blade

(c) 1 Piece of 2" / 50mm Diamond Zero Tolerance Grinding drum for granite marble stone concrete sink basin inner hole polishing, grinding, shaping, enlarging (5/8"-11 Female Thread arbor). (a)1 Piece of V25 (25 mm / 1 ").

eBay