Rannb 3000 Grit 8-inch Outside Dia Diamond Coated Flat Lap Wheel Grinding Sanding Polishing Disc for Jewelry, Glass & Rock;

Package content: 1 x Flat laps wheel
Size:
Outside diameter:8-Inch/200mm
Thickness:1mm/0.039"
The flat laps wheel is packed by brown paper for protection.
Diamond coating surface area : Almost 95%,only one side is coated diamond.
The laps wheels have a 1/2" arbor hole and are intended to be mechanically clamped to a master lap.