Description:Multi-use manicure pedicure polishing head nail drill bits and cleaning brush with dustproof storage case.Made of material material with high hardness, abrasion resistance and good heat dissipation.Help to polish and reshape your nails, great for cuticle dead skin removal and nail grinding.Quickly achieve smooth shiny nails, suitable for both fingernails and toenails.Suitable for home or professional nail salon, use on both natural and acrylic nails.Specification:Material: Ceramic, Tungsten Steel, EmeryLength: Approx. 51mm/2.01inchShank Diameter: 2.35mm(3/32inch)Package Includes:10 Pieces Nail Drill Bits SetNote:Pls allow slight size error and color difference due to manual measurement and different monitors. Thanks.Enjoy the shopping and have a nice day. ☺