Package List 10pcs/set x nail grinding tools Characteristics electric nail bits - Material: Tungsten steel nail drill manicure head. - Sturdy enough to remove hard gel nail, creating less with little friction and heat manicure drill bits. - Made of materials, can be interchangeably, reverse use cuticle clean nail drill bit. - Wide application range, suitable for all and pen-type nail polishers electric nail drill accessories. - It has the functions of grinding nails, removing nails to remove dead skin, carving arcs, etc Alloy Nail Drill Bits. - Size: 8.50X5.50X0.50cm/3.34X2.16X0.20 inch acrylic nail file bits. - Alloy tungsten steel material, with high wear resistance, high impact resistance, high temperature resistance grinding head polisher. - Color: Silver Polishing Machine Nail Tool.Goods DescriptionPolishing Machine Nail Tool These grinding heads are sturdy enough for your usage.grinding head polisher All grinding heads are made of premium material.acrylic nail drill bits The grinding heads set are nail art tools that are applicable for nail drill machines.nail sanding bits Suitable for natural nails as well as artificial nails, great tools for any professional manicurist or beginner