Suitable for pocket or travel, this unique non-metal tool features a long lasting ceramic stone and a safe, easy to use nail cleaner. Portable and practical, this remarkable file folds to a compact size that keeps the filing surface clean and protected. Features: Free Sharpening. Lifetime Guarantee. Directions. The Best Implements! The Best Guarantee! Tweezerman repairs or replaces tools with manufacturing defects for free. Send any implement insured in a padded mailer with your name, address and telephone number to: Tweezerman Service 23 Blue Bell Road Houston, TX 77037. * Please allow 4 weeks for delivery.