All burs have a standard shank diameter of 2.32mm, which fit Jewellery Industry standard handpieces. These burs are supplied by Busch from Germany, who have been manufacturing their high quality burs since 1905 when Ernst and Otto Busch set up their dental bur factory Busch & Co. The recommended speed is marked on each packet. Burs are sold individually, in packs of 6 or boxes of 72.
** Use eye protection when grinding, polishing or drilling.