Package Include 1 x nail art grinding head Features - Size: 4.00X0.50X0.50cm/1.57X0.20X0.20inch Nail Polishing Heads. - Material: Tungsten steel, plastic tapered. - grinding effect and , very easy to install bits. - Sturdy enough to remove hard gel nail, creating less dust with little friction and heat manicure pedicure bit. - Multi-purpose, suitable for processing nails, glass, plastic, metal, stone, tiles, ceramics, etc holder. - Made of high- materials, can be used interchangeably, very nails gel. - It has the functions of grinding nails, removing nails to remove dead skin, arcs, etc manicure. Goods Information manicure file bit These grinding heads are made of premium tungsten steel material.machine These grinding heads are sturdy enough for your usage.nail polishing bits Great tools for any manicurist or beginner.Manicure The grinding heads are nail art tools that are applicable for electronic grinders, hand grinders and electric portable drillsNail art supplies: grinding effect and , very easy to install. Nail art grinding bit: it has the functions of grinding nails, removing nails to remove dead skin, carving arcs, etc. Manicure pedicure bit: sturdy enough to remove hard gel nail, creating less with little friction and heat. Nails gel: multi-purpose, suitable for processing nails, glass, plastic, metal, stone, tiles, ceramics, etc. Professional nail polish: ????????nail art beginner tool - suitable for both natural and artificial nails, great tool for beginners.