Package List 1 x nail art grinding head Characteristics - grinding effect and long service life, very easy to install. - Size: 4.00X0.50X0.50cm/ 1.57X0.20X0.20inch. - Multi-, suitable for processing nails, glass,, metal,, tiles, ceramics, etc. - Sturdy enough to remove hard gel nail, creating less with little friction and heat. - Made of high- quality materials, can be used interchangeably, very durable. - It has the functions of grinding nails, removing nails to remove dead skin, carving arcs, etc. - Material: Tungsten steel,. Goods Information Nail Art Drill Bit These grinding heads are made of premium tungsten steel material.manicure file bits The grinding heads set are nail art tools that are applicable for electronic grinders, hand grinders and electric portable drills.Nails Polish Drill Bit These grinding heads are sturdy enough for your usage.cuticle clean drill set Great tools for any professional manicurist or beginnerNail Head Replacements: Basically replace small grinding wheel with a handle without pollution. Manicure File Bits: Sturdy enough to remove hard gel nail, creating less with little friction and heat. Nails Polish Drill Bit:This product can be given as a great to your friends and family. They will be very happy. Nail Art Drill Bit:Nail polishing grinding head is made of sturdy and quality material, durable and safe to use. Cuticle Clean Drill Set: Multi-, suitable for processing nails, glass,, metal,, tiles, ceramics, etc.