Item Type: Nail Drill Bit Set Material: Tungsten Steel Included: 4pcs nail drill bits Package List 4 x Nail Drill Bits 4 x Storage Box 1Different Surfaces: You will get 4 different styles of nail art drill bits, with different roughness surfaces, can quickly remove nail glue, in order to clean, shape, cut, etc. 2Left Right Rotation: Nail grinding bits can be rotated to the right or left for smoothing clockwise and counterclockwise cutting, which is perfect for left and right hands. 3Widely Use: Nail art drill bits can be used for most nail drill machines, suitable for both experienced manicurists and beginners, which can meet your various needs. 4Protection Case: Nail grinding bits set with 4 matching cases, easy to storage, and provide good protection, which can keep these nail drill bits in order. 5Tungsten Steel: Nail grinding headsade of hard tungsten steel, with reliable strength, and high durability, help to quickly reshape, polish, and sculpt nail gel.