The carbide drill bit in the shape of a rounded cone made sintered carbide, an extremely durable raw material. Intended for removing hybrid, gel and acrylic-gel masses. Perfectfor beginners and experienced stylists. 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: rounded cone Use: for gel, acrylic-gel and acrylic masses Head diameter; 7 mm Head length: 12 mm Level of sharpness: medium • Recommended speed: 15 000 - 20 000 RPM* • For whom? For right-handed people