The SWAROVSKI Edition regular size Crystal File features a tapered end for cleaning under the free edge.  Crystal File w/ FREE Companion Case (a $5.95 value)

Made from fine, imported, tempered glass, this unique file is especially designed for the natural nail.   The NailTek Crystal File is a patented manicuring tool designed for natural nails that has a lifetime replacement guarantee. The surface seals & protects the free edge as you file & shape the nail to prevent splitting & peeling. The abrasive surface will never wear out & the file is washable, sanitizable & completely sterilizable.