Related Products Diamond lap disk 6” PSA backing 360 grit $37.50 excl GST 120 grit silicon carbide, 1kg pot. $26.00 excl GST Diamond saw blade 18″ (450 x 1.5mm) $190.00 excl GST Flat diamond grinding wheel 6” x 2” 400 grit $205.00 excl GST Quantity Add to cart Product added to wishlist. Description These electroplated wheels are a fantastic tool for both lapidary and glasswork. All come with a 1″ arbor with bushings to bush the arbor to 3/4″, 5/8″, and 1/2″. Add to WishlistProduct added! Browse WishlistThe product is already in the wishlist! Browse Wishlist Share TweetPin It Product code: 526100 Category: Grinding Wheels. Tags: diamond tools, diamond wheels, glass, glass work, Grinding wheels, lapidary.