Undermount Sink Cut Polish stone 3/16" Half 1 1/2" Full Bullnose Router Concrete
(e) 1 Piece of B5 (5mm / 3/16" For Half / Demi / Radius Bullnose ) and. 1 Piece of V40 (40mm / 1 1/2" For Full Bullnose). (d) 12 Pieces of 4" Diamond Polishing Pad for granite marble concrete drum wheel makes grinding of the sink hole smoother.