Related Products 12″ economy sintered continuous rim lapidary blade. 300 x 1.2mm $100.00 excl GST Electroplated diamond belt, 6″ x 2.5″ (150 x 65mm) 240 grit $185.00 excl GST 220 grit silicon carbide, 500g pot. $15.00 excl GST 12mm x 12mm diamond bands, soft type 800 grit $19.00 excl GST Quantity Add to cart Product added to wishlist. Description 12mm x 12mm diamond bands are an alternative to solid diamond points. They fit on an expanding mandrel with a 3mm shaft. The diamonds are electroplated to a material substrate. 800 grit. Add to WishlistProduct added! Browse WishlistThe product is already in the wishlist! Browse Wishlist Share Product code: 401800 Category: Diamond point sets and bands. Tags: diamond points diamond bits, glass work, Grinding wheels, lapidary.