Related Products Thin premium lapidary blades 250 x 1.0 mm $120.00 Diamond lap disk 8” 360grit. PSA backing $42.00 Sintered diamond point 7.5mm dia, 3mm shank $20.00 Sintered diamond point 8mm dia, 3mm shank $20.00 Quantity Add to cart Product added to wishlist. Description Sintered diamond point 8mm dia, 3mm shank. 120 grit Will last at least 5 times longer than the same electroplated tool. Must be used wet. Reviews (0) Add a Review Add to WishlistProduct added! Browse WishlistThe product is already in the wishlist! Browse Wishlist Share Product code: 400108 Category: Diamond point sets and bands. Tags: diamond bits, diamond points diamond bits, diamond tools, Dremel bits, glass work, lapidary, sitered.