Lap WheelProduct Details1.They are flat and parallel to meet the most exacting faceting requirements.2.The flat lap wheels have a 1/2-inch arbor hole for Angle Grinder.3.6-inch outside diameter,Grit 320, quality electroplated diamond coated flat lap disk wheel.4.For grinding and polishing jewelry, glass, rock,stone, etc.5.Recommended for grinding on faceting material plus general lapidary grinding when precision is required.
eBay