FG #SH 134 UF 30 Blade CTF Carbide Finishing Burs 3/Pk. For Cosmetic Trimming & Finishing. Designed with a safe end tip to trim and finish subgingival cosmetic restorations. High quality tungsten carbide finishing head on a stainless steel shank. Maximum speed 450,000 rpm. 30 Blades: Ultra Fine finishing. Pack of 3 burs