Package:1pcs Mandrel Nail Drill Bits, Head Size: 3mm x 12mm,High Quality :made with stainless steel, Long Lasting,Usually use with sanding bands for natural/acrylic nails, shaping, removing,polishing,nail prep,Fit for most 3/32 Shank Nail Drill,Note:These Small Mandrel Bits for 3mm Sanding Bands