10 pcs Professional Thick Sandpaper Nail File <br /><br />Essential nail art tools for filing nails before nail treatment / nail extension / manicure procedures <br /><br />Can be used to file natural nails・ false nails・ nail extensions・ etc. <br /><br />Perfect for finger care・ woodworking・ and salon usage <br /><br />Length: 17.5cm Width: 2cm <br /><br />Stickness:4mm <br /><br />Sandpaper on surface・ foam on second layer・ plastic in middle-level. Resistance to fracture.