Effectively removes particularly thick and stubborn skin and exfoliates your feet with Diamond Crystals™. Its roller surface is furnished with microgranulates, designed to remove hard skin in minutes and soften the soles of your feet in one use. Functions without any sharp blades and comes with a safety feature that locks the roller in place if too much pressure is applied, preventing any injuries. Each replaceable head lasts for up to 12 treatments. Ergonomically shaped handle for comfortable use. Use it on dry feet. Batteries included.