Dental Diamond burs 1. This diamond bur is especially designed for dentists( dental clinic) and dental lab; 2. It is used for high speed dental handpieces (shank dia.: 1.60 mm). Other size are available. 3. Nearly 200 specifications are prepared for your choice freely (Pls leave your email address to get our full catalog and price list); 4. Top excellent quality is praised by customers all over world; 5. In additional, it also can be used by Jewelry working.