NSI 180 Grit Durafiles (x 10) are suitable for all stages of nail enchantments and last 4 times longer than other files. They are excellent for all nail services from natural nails, gels, wraps and pedicures. The straight edge is suitable for the sidewall and extension edge, while the half-moon contoured edge is perfect for getting close to the cuticle, minimising the risk of touching soft tissue.