Drills, Chisels, Breakers -30 Pieces Diamond Nail Drill Bit Set Electric Grinding Head Manicure Machine B Highlights Generic Brand 30 Pieces Diamond Nail Drill Bit Set Electric Grinding Head Manicure Machine B Description : 30pcs/set Nail Drill Bit Set Barrel Head Bit Drill Bit Coarse Grinding Tool Help polish and shape your natural and acrylic nails. Suitable for both manicure and pedicure. Ideal for nail drills and other drills using sanding belts, such as carving, engraving, grinding, routing, sharpening, sanding, polishing, drilling, etc. Suitable for professionals, nail salons, nail schools, artists, etc. specification: Material: diamond Box size: Approx.14.5*7*1.3cm/5.71*2.76*0.51inch Shank diameter: 2.35mm (3/32inch) Package includes: 30pcs/set drill bit nail art