Suitable for all stages of enhancement the endurance files last 4 times longer than other nail files and are excellent for all nail services from natural nails, gels, wraps, acrylic and pedicures. The straight edge is suitable for sidewall and extension edge refinement, while the half moon contoured edge is perfect for getting in close to the cuticle, minimizing the risk of touching the soft tissue. The files can be disinfected in 10 minutes with total submersion in or sprayed with an EPA hospital grade disinfectant.