Introducing Opi 1-2-3 Luster Buff Board Nail File—a versatile tool designed for precision and finesse in your nail care routine. Crafted with care, this file features a fine-grit surface that effortlessly shapes and smoothens your nails. The compact design makes it a convenient addition to your beauty arsenal, for on-the-go touch-ups. Elevate your at-home manicure experience with Opi 1-2-3 Luster Buff Board Nail File, where every stroke is a statement of precision, ensuring your nails always look polished and refined.How to use: Start with clean, dry nails. Choose the appropriate grit for shaping or smoothing. Hold Opi 1-2-3 Luster Buff Board Nail File at a slight angle and shape nails in one direction. Use the finer side to smooth rough edges. Shape nails according to preference—rounded or squared. Check the length periodically. If applicable, use the buffing side for added shine. Clean Opi 1-2-3 Luster Buff Board Nail File after use for maintenance. Enjoy the process of creating perfectly shaped and polished nails