Related Products Diamond lap disk 8” PSA backing, 220 grit $50.00 excl GST Flat diamond grinding wheel 6” x 2” 400 grit $205.00 excl GST 220 grit silicon carbide, 1kg pot. $30.00 excl GST Quantity Add to cart Product added to wishlist. Description Silicon carbide grit, suitable for glass or stone. Add to WishlistProduct added! Browse WishlistThe product is already in the wishlist! Browse Wishlist Share Product code: 701220 Category: Grits and Polishes. Tags: diamond wheels, glass work, Grinding wheels, lapidary, loose abrasive, silicon carbide.