These Green Grinding Wheels are specially suited for grinding porcelain teeth. The long-lasting discs will not wear or chip porcelain. The wheels have 1/4” (6.35 mm) lead reinforced center hole and comes in 120 grit.

Features:
– Available in 120 grit
– 1/4″ lead reinforced center hole
– Available Sizes: 2 1/2″ X 1/4″ (63.5 x 6.35 mm), 3″ x 1/4″ (76 x 6.35 mm), 3″ X 3/8″ (76 x 9.5 mm)
– Sold individually