Feature: 1. Easy to use and light weight, nail drill bit is in small size, easy to store or carry. 2. Nail drill bit rotating burr small hole cleaning head is perfect for all types of nail work from carving, polishing to polishing. 3. The intersecting stripes of the drill bit can help you polish and reshape your nails. 4. Made of ceramicmaterials in high quality, nail drill bit supports exquisite craftsmanship, light and practical. 5. Corn head shape keeps nail drill bit with high attraction, entitled with practical adoptability. Specification: Item Type: Nail drill bit Shape: Corn head Material: Ceramic Outer Diameter: Approx. 6mm / 0.24in Shank Diameter: Approx. 2.35mm / 0.09in Length: Approx. 37mm / 1.46in Patten(optional): 1. Extra coarse grinding XC black box 2. Coarse grinding C green box 3. Medium grinding M blue box 4. Fine grinding F red box 5. Extra fine grinding XF yellow box Package List: 1 x Nail Drill Bit