... 1.Keep nails to be smooth, elegant 2.High technique & quality 3.Different size & color 4. OEM is welcome Nail Sharpener, Glass Nail ... . Side type: single and double can be available.3. Different color, size and design available.4. Non-eroding filing surface, increased ... . Technic: can add crystal, logo, printing, hand-engraving, etc.6. High quality with best price, OEM is welcome. Normal size:90*12*3MM ...