Related Products 6″ economy sintered continuous rim lapidary blade. 150mm x 0.8mm $48.00 excl GST 12mm x 12mm diamond bands, soft type 200 grit $20.00 excl GST Expanding drums, 8″ x 3″ $200.00 excl GST Sintered diamond point, ball shape 7mm dia, 3mm shank $20.00 excl GST Quantity Add to cart Product added to wishlist. Description Sintered diamond point 7mm dia, 3mm shank. 100 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: 4000406 Category: Diamond point sets and bands. Tags: diamond bits, diamond points diamond bits, diamond tools, Dremel bits, glass work, lapidary.