Features: Outer Diameter: 150mm/6-inch, 152mm / 6-inch; Arbor Hole Diameter: 16mm/5/8-inch, 12.7mm / 1/2-inch; Thickness: 1mm/0.04-inch; Grit: 1000, 3000. The flat rim wheels have a 1/2-inch and 5/8-inch arbor hole for Angle Grinder.. They are flat and parallel to meet the most exacting faceting requirements.. For grinding and polishing jewelry, glass, rock,stone, etc.. Recommended for rough and grinding on faceting material plus general lapidary grinding when precision is required..
