Product Name : Nail Art File Polishing Bits;Mandrel Diameter : 2.2mm / 3/25"(0.087") Biggest Cylinder Bit Size : 6.5 x 15 x 40mm / 0.26" x 0.6" x 1.57"(Head D*Head H*Overall H);Sanding Band Size : 6 x 8.5 x 12.5mm / 0.26" x 0.33" x 0.5"(Inner D*OD*H)…