specification: Item Type: Nail Drill Bit_x000D_Material: Tungsten Steel Features: 1DIFFERENT NEEDS: The nail drill bit is available in different surface roughnesses from top to bottom for fast gel nail cleaning, shaping, cutting, smoothing and removal to suit your every need. 2TUNGSTEN STEEL: Made of tungsten steel for reliable strength and durability, the nail grinding head has a low cutting performance and low dust for quick and good re shaping and polishing of gel nails. 3EASY TO HANDLE: The nail grinding bit can be rotated to the right or left for a stable cut in both clockwise and anti clockwise directions, ideal for left and right handed people, no need to change other sizes during work. 4WIDELY USED: You will get 1 nail art grinding head for most nail machines with drill bits, nail drill bits set for most gel nails, for experienced nail technicians or nail art beginners. 5WITH A STORAGE BOX: The nail art grinding head has a matching box for protection and easy storage to keep the nail art drill bits organised. Practical and convenient. PackageList: 1 xNail Drill Bit 1 x Storage Box