GREEN BELL Bathroom Kakato Heel File (S size / L size) Angled handle for easy filing to increase efficiency! Gently rub off and smooth out hardened calluses on feet. ●Hard : Warped curve allows for pinpoint filing and easy application of force, making it effective on hardened skin. ●Soft : Inward curved fine file covers a wide area and can be used for soft skin or as a finishing touch.