The cone-shaped ceramic drill bit accurately and quicklyremoves hybrid varnish, gel and acrylic-gel mass. Whenworking, the ceramic drill bit does not transfer heatto the nail plate. The drill bits have a universal shank diameter of 2.35 mm and are therefore suitablefor ""twist and lock"" and podiatry nail drill machines. They can be disinfected in aqueoussolutions and sterilised in the autoclave. The colour of the stripes) on the shank indicatesthe grit or sharpness of the drill bit. PRODUCT FEATURES: Shape: cone Use: for gel, acrylic-gel and acrylic masses Head diameter: 6 mm Head length: 15 mm Level of sharpness. medium Recommended speed: 15 000 - 20 000 RPM* For whom? Right- and left-handed users