Size: as shownColor: colorfulMaterial: Tungsten steelPackage content: 1 set of grinding head set (7pcs)1.Removing Gel Nail Drill Bit Set: You can reshape, polish, smoothen, grind, sharpen, carve and neaten poly extension nail gel, gel nails or acrylic nails easily and quickly.2.Lightweight Nail Drill Bits: Nail drill bits tools are sturdiness, hard-wearing and durable to use. Portable and lightweight for both personal and family use anytime and anywhere.3.Multi-functions Efile Drill Bits: Carbide nail drill bits are ideal nail art tools accomplishing diversified professional jobs such as carving, grinding, sharpening, sanding, polishing and so on. Suitable for all gel nails such as gel nail polish, poly extension nail gel, dip powder, nail extension gel, great tools value for money. Professional manicurist for beginner. It is also suitable for left-handed.4.Easy to Clean Safety Drill Bit: Nail drill bits are corrosion resistant, as well as no clogging for nails. Nail Brush Bit can easily clean the dust on the bits or nails, protect the bits after each use, keep you and your clients nails healthy.5.Compact Drill Bits Nails Design: With its portable design, lightweight, it is easy to hold for both personal and family use anytime and anywhere. See-through design helping you figure out the desired bits quickly. Best gift for beginners to start their journey to the nail art world.