Panther tungsten vanadium steel burs has earned a reputation for the highest standards in precision tool production in the world. Our burs and tools are manufactured on the most technically advanced computer assisted machinery in existence. Only the finest quality hardened tool steel is used. Each tool is individually hand inspectedbefore leaving the factory. Our highly trained technicians take pride in producing the most exceptional,durable precision burs available anywhere. Once you experience the performance of a Panther tungsten vanadium steel bur, you will never accept a substitute. Set of 24 burs, sizes 009, 010, 011, 012, 013, 014, 015, 016, 017, 018, 019, 020, 021, 023, 025, 027, 029, 030, 031, 033, 035, 037, 040 and 045. 3/32″ shank.