* All Micro-Pedi Refill Rollers are compatible with all Micro-Pedi models. The NEW Emjoi® Micro-Pedi POWER is a super powerful, electrically-operated device created to smooth dry, rough and calloused skin on the feet in seconds. Unique roller spins 360°, at an amazing 30 times a second, to gently and effectively buff away hard, jagged skin without the hassle of constant rubbing. No batteries needed. * Included in the box is a FREE Extra Coarse Roller ($10 Value) * The Micro-Pedi Power gives better than salon results in seconds. * The NEW Emjoi Micro-Pedi POWER is super powerful and performs with extreme strength every time. * Emjoi Micro-Pedi Foot Buffer is the world's best-selling pedicure kit. * Save time and money and get better results than a salon pedicure! * Unique roller with micro mineral particles pulverizes dead skin in an instant * Safer and more effective than metal scrapers, which use blades to cut the skin * Electrically-operated with International Travel Power Cord from 100V to 240V Accepted by the American Podiatric Medical Association. Warning: This unit is very powerful. Gently rotate (back and forth or side to side) over the callous/corn/hard skin area for 2-3 seconds. Stop and check if you achieved the softness you desire. If not, go over the area for 2-3 more seconds and check again. Continue to use this method until the level of smoothness is obtained. Over use may result cause bleeding or injury.