50pcs Diamond Burs Drill Set Set BR-30C, DI-SS41, TR-11, TF-21EF, CR-22F

Description ❤ Shank diameter: 1/sixteen inch ❤ Prime hardness, put on resistance. ❤ Coated with diamond debris ❤ Prime amount of chrome steel,Prime power, no rusty ❤ Very good for advantageous element paintings, chopping, engraving, carving, contact-up and completing,engraving, and shaping with precision and element.