The cone-shaped carbide drill bit is made of sintered carbide,an extremely durable raw material. One of the strongest drill bits it will easily and quickly remove hard gel, acrylic-gel and acrylicmasses. The surface of the drill bit has been made using the technique of spiral arrangement of the cutter teeth so that neither the drillnor the nail plate heats up and the heat generated during workis quickly dissipated. 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 stripe(s) 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: 14 mm Level of sharpness: medium-coarse / coarse Recommended speed: 15 000 - 20 000 RPM* For whom? For right-handed people