DescriptionAll grinding heads are madeof premium material. These grinding heads are sturdy enough for yourusage. The grinding heads set are nail art tools that areapplicable for nail drill machines. Suitable for natural nails as wellas artificial nails, great tools for any professional manicurist orbeginner.Features- Color: As shown. - Material: Tungsten steel and emery. - Size: 5.10X0.70X0.70cm/2.00X0.28X0.28inch.- Wide application range, suitable for all and pen-type nail polishers.- Made of high-quality materials, can be used interchangeably, reverse use.- It has the functions of grinding nails, removing nails to remove dead skin, carving arcs, etc.- Premium material, with high wear resistance, high impact resistance, high temperature resistance.- Sturdy enough to remove hard gel nail, creating less dust with little friction and heat.