The rotation speed of the dead skin remover for feet reaches as high as 3000 RPM, able to clear dead skin and ancient callus effectively just in seconds. The grinding head will rotate horizontally in 360 degrees, so you can use the foot scrubber to remove dead skin perfectly without fierce scratching, while the user-friendly protection mechanism will detect the overexertion when using and stop to avoid any hurts.  This pedicure callus remover comes with 3 replaceable quartz sand grinding heads in different roughness, among which fine head for daily care, medium head for removing hard, rough dead skin and the coarse head for removing stubborn calluses. All the grinding heads are washable and easy to clean.