: SUNJOYCO 4" Concrete Grinding Wheel, 12-Segment …
Buy SUNJOYCO 4" Concrete Grinding Wheel, 12-Segment Heavy Duty Turbo Row Diamond Cup Grinding Wheel Angle Grinder Disc for Granite Stone Marble Masonry Concrete: ... (with metal ring) Size 2: 115 mm /4.5 inch. Inner hole diameter: 22mm / 0.87 inch (without the metal ring) Inner hole diameter: 16mm / 0.63 inch (with metal ring) Size 3: 125 mm /5 ...