Ergonomically shaped soft touch handle, Interchangeable treatment rollers with diamond crystals, gentle and effective circular motions, Battery Operated, ready to use. For easy feeling silky and smooth, beautiful feet. The surface of the velvet smooth (TM) treatment roll is with long lasting Mikroabrasiven particles and precision ground Diamond Crystals. It removes the roughest skin from the first application and leaves visibly smoother and softer feet. Ergonomically shaped soft touch handle, Interchangeable treatment rollers with diamond crystals, gentle and effective circular motions, Battery Operated, ready to use.