Feature 1Easy to use and light weight, nail drill bit is in small size, easy to store or carry. 2Nail drill bit rotating burr small hole cleaning head is perfect for all types of nail work from carving, polishing to polishing. 3The intersecting stripes of the drill bit can help you polish and reshape your nails. 4Made of ceramicmaterials in high quality, nail drill bit supports exquisite craftsmanship, light and practical. 5Corn head shape keeps nail drill bit with high attraction, entitled with practical adoptability.SpecificationItem Type: Nail drill bitShape: Corn headMaterial: Ceramic Outer Diameter: Approx. 6mm / 0.24inShank Diameter: Approx. 2.35mm / 0.09inLength: Approx. 48mm / 1.89inPatten(optional):1. Extra coarse grinding XC black box2. Coarse grinding C green box3. Medium grinding M blue box4. Fine grinding F red box5. Extra fine grinding XF yellow box .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Nail Drill BitNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.