The high-speed rotation of this nail and foot repair kit is powerful enough to trim and shape elastic acrylic and toenails, but it is soft enough to work on fragile or split keratin and nails. These powerful rotations, combined with each precisely handcrafted nail head, allow you to quickly and easily carve, shape, smooth, and shine your nails. Five interchangeable accessories and AMP; How to use 1. Cone shaped metal scab remover x 1 file, removes hardened skin and bone scabs around the fingers and toes, especially the bone scabs on the hands. 2. X1 cylinder thick polishing head polishes the edges of nails to shape the nails you want, and you can use it along the edges of the nails. 3. Pink x1 thick round pan head, polished nail corners, smooth edges