Set of 8 Extra Coarse (Blue) Generic Replacement Rollers for Emjoi Micro-Pedi Callus Removers. These rollers contain micro mineral particles to pulverize dead skin in an instant. Removes rough, hard, dry, cracked and callused skin from the soles of your feet. All Generic Replacement Rollers are compatible with Emjoi Micro-Pedi models. Not compatible for other brands. Set of 8 Extra Coarse (Blue) Generic Replacement Rollers for Emjoi Micro-Pedi Callus Removers. Replacing your Micro-Pedi's rollers regularly will keep your feet as smooth as can be, and save you hundreds over salon pedicures These rollers contain micro mineral particles to pulverize dead skin in an instant. All Generic Replacement Rollers are compatible with all Emjoi Micro-Pedi models.