This simple but pratical tool set is nice nail drill bits, these drill bits are sturdy enough for your usage. The drill bits set are nail art tools that are applicable for nail drill machine. Suitable for natural nails as well as artificial nails, great tools for any professional manicurist or beginner. Features - Color: Orange. - Material: Tungsten steel and alloy. - Size: 6.5x5.5x1cm/ 2.55x2.16x0.39 inch. - and high quality. - Comfortable hand touch feeling, protecting skin and convenient to use. - All around nail use means you can trim the cuticle, sidewall, or go underneath the nail to keep them clean. - Suitable for most electric or rechargeable manicure nail file machine. - It is for nail beautify, nail polishing, nail clear and care, peeling, etc.