One side is soft for delicate modeling, the other is rougher for length and shape correction. The convenient shape of the file makes it easy to reach all areas of the nail, and the durable metal guarantees durability and hygienic use. Advantages: • Double—sided design - soft and rough sides • precise shaping and correction of nails • Durable and hygienic material — stainless steel • Convenient shape for easy use • Suitable for natural nails