Related Products Diamond lap disk 8” PSA backing, 100 grit. $55.00 excl GST 400 grit silicon carbide, 1kg pot. $34.00 excl GST Quantity Add to cart Product added to wishlist. Description Silicon carbide grit, suitable for glass or stone. 400 grit Add to WishlistProduct added! Browse WishlistThe product is already in the wishlist! Browse Wishlist Share Product code: 701400 Category: Grits and Polishes. Tags: glass work, lapidary, loose abrasive, silicon carbide.