Description 4 Piece Radius Burr Set: 1/8″ Shaft. Use to chamfer the top of holes in pendants or use like a router bit to put a curve on the top of right angles. High Quality Nickel Plated Diamond on Steel Blanks. Tip Diameters: The approximate diameters of the tips in the set are: 2.1mm (.08”) 3.1mm (.12”) 4.2mm (.16”) 5.2mm (.2”) Grit sizes available: 80, 120, 220 & 400 grit Cautions: Maximum Speed Rating: 14000rpm. Always wear safety goggles. Always wear an appropriate mask so you do not breath in particulates and harmful vapors. Always wear hand and body protection. Failure to adhere to these cautions may result in serious injury or death.
