1、[High Quality Fine Sand] Made of high quality materials, strong and durable, perfect grinding effect, high work efficiency, and long service life. Use high quality fine sand, sand that is not easy to fall, you can use it at will. 2、[Polishing] Nail sanding bands is specially designed for polishing and trimming nails, keeping the nails neat and beautiful. The sand appearance is used to polish the uneven appearance of the nail. It is durable and easy to operate. 3、[Easy to Install] The size is about 20 x 16mm, easy to install and remove, and very convenient to use. It can meet the needs of different nail art and many applicable situations. 4、[Scope of Application] Suitable for processing nails, glass, plastic, metal, stone, ceramic tiles, etc. Convenient grinding and polishing, high efficiency and stable performance. 5、[Safe and Reliable] Can meet your needs, high strength, high efficiency, good effect, long service life, easy to use, safe and reliable. 50 x Nail Drill Bit2 x Axle Item Type: Nail Drill BitMaterial: SandpaperProduct Specifications: 50PCS Sand Hat, 2 ShaftsSand Hat Size: Approx. 20 x 16mm / 0.8 x 0.6inShaft Size: Approx. 57 x 13mm / 2.2 x 0.5in