... Description:1. Most modern galvanisation process, safe and lasting diamond coating, optimal working results;2. Ideal for shaping ... , can be used as glass drill bit, diamond drill bit, jewelry drill bit and engraving bit.4. 3 grits for selection.About ... laboratory.Our main products range from diamond burs, carbide burs, dental polishers, sintered diamonds, diamond disc, polishing brushes and mounted ...