Ceramic Material made of premium ceramic this nail drill bit set are hardwearing sharp and durable With excellent heat dissipation the bits wont burn hot during longtime use like the metal bits and the ceramic is corrosion resistant as well as no clogging for nails easy to be cleaned with water after each use 7 Drill Bits Set this 7pcs nail drill bits set can remove nail gel polish reshape polish smoothen grind sharpen carve and neaten the gel nails or acrylic nails easily and quickly Suitable for professional nail salon beauty parlor spa or personal manicure pedicure DIY nail art at home Safe Nail Drill Accessories the nail efile bits are safe to clean the cuticle area side walls and also under the nail edges Its a great nail tool for both professional manicurists and nail art starters Universal for Most Efile Drill Machines the 332 inch235mm shank of stainless steel can perfectly suits for most professional electric nail drill machines on the market Nail Drill Bits Set with Holder the transparent storage case for the nail drill bits set keeps all bits in order dustproof and more portable There is included a brush for cleaning the nails and bits