Gold Finishing Burs epitomise the technical expertise and modern engineering. Combining the features of a stainless steel shank, carbide neck, fine grain carbide and tightly controlled tolerances, these precision instruments provide the perfect balance for trimming and finishing restorations. The unique all over gold plating signifies their premium status as a world class product. Esthetic Finishing 30 Bladed Bur . Unique helix angles prevent cogging and provide a smooth surface finish. Fine Finishing 30-Bladed Bur with 30 blades, removing less material per revolution, this is the ideal finishing bur prior to the use of any abrasive polishing instruments. These burs remove virtually all striations and also offer a less aggressive cut making them ideal for use on ceramics.