4 x Scholl Velvet Smooth Diamond Rollers 4 x Velvet interchangeable replacement Rollers to fit the Scholl Velvet Smooth Pedi Electric Hard Skin Remover Refill and Replace your Existing Worn Out Rollers with 4 Brand New Compatible Rollers Rollers Remove Rough, Hard, Dry, Cracked and Callused Skin Gentle on your feet and easy to use, the Velvet Replacement Rollers can give you soft, silky feet in no time at all Replace the roller head when it becomes less effective, can last for aprx. 12 uses (depending on the intensity and duration of the treatment sessions) Compatible for velvet smooth only NOT EXPRESS PEDI CHECK PHOTO 2 IF UNSURE