I used on glacial till stones. Hollowed them out for a mortar to grind pepper. Really doubtful it would scoop out granite but it did. Use plenty water to cool and beat back the dust
7.75" Rolling GATE Carrier Wheels: For Chain Link Fence Rolling Gates - Rut Runner
11 Review
KSEIBI 4 1/2" Zirconia Corundum Flap Discs | Grit #60, 10Pack | Sanding & Grinding Wheels
9 Review
DEWALT DW8424B5 2 Inch 0 045 Inch Cutting
10 Review
Sunjoyco Heavy Duty Diamond Cup Grinding Wheel - Ideal For Concrete, Marble, Granite And Masonry
9 Review