File for miles with this durable, double-sided nail shaper. Crafted in Germany of stainless steel and finished with diamond-ceramic surfaces in two levels of gentle yet effective abrasion: medium grit for shaping and fine grit for smoothing. An ultra-hard, scratch-resistant coating repels water, oil, and bacteria, ensuring many years of salon-grade precision. Our Favorite Details: Made of stainless steel Diamond-ceramic finish Double-sided Gentle and effective Smoothes rough edges Salon-quality, made to last How to Use: Starting from one side of the nail, file toward the center, moving in one direction. Repeat on the opposite side of each nail, moving from side to center for a consistent shape. About the Brand Founded by Nadine Abramcyk, Adair Ilyinsky, and Jaclyn Ferber, Tenoverten is a beauty brand dedicated to nail care and overall wellness—with formulas that cleanse, nourish, color, and gloss without harmful ingredients. Originally a nail salon in NYC, the brand is now focused on bringing the salon treatment to your home.