Related Products Diamond lap disk 8” PSA backing, 260 grit. $50.00 excl GST Electroplated diamond belt, 6″ x 2.5″ (150 x 65mm) 400 grit $180.00 excl GST Quantity Add to cart Product added to wishlist. Description These electroplated diamond belts are made to fit a 6″ expanding drum. Arrow pattern. Reviews (0) Add a Review Add to WishlistProduct added! Browse WishlistThe product is already in the wishlist! Browse Wishlist Share Product code: 801400 Category: Belts. Tags: Diamond belts, diamond wheels, glass work, Grinding wheels, lapidary.