1、Rough Surface Design: The surface roughness of this drill bit changes from top to bottom, allowing for quick nail gel removing, cleaning, shaping, cutting. 2、Rotatable Drill Bit: This drill bit can be rotated left and right during operation, avoiding frequent changes of the grinding head and making manicurists easier to work. 3、Portable Storage Box: The attached plastic storage box can neatly store the polish head, which is convenient for you to carry out and does not take up a lot of space. 4、Suitable: For most nail drill machinesbits. For most experienced manicurists or beginners, and for nail salons, beauty salons, spas or DIY nail art. 5、7 Grinding Heads: These nail drill bits have a total of 7 different shapes, plus stainless steel, which can be used for a long time to meet your various nail art needs. 7 x Nail Drill Bits1 x Storage Case Item Type: Nail Drill BitsMaterial: Tungsten SteelQuantity: 7 PCS Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store