------Perfect Fit: 4-pack replacement rollers that fit Scholl Velvet Smooth (Extra Coarse). Effective Rollers: Easily and quickly remove hard skin and leave your feet soft. As Good as the Original: Excellent product with comparable performance to the original spare parts. ------Replacement Rollers: Suitable for men and women, and tender, hard, dry, and sensitive feet. Note: Not compatible with Scholl Express Pedi. ------Beautiful Feet in Seconds: Easily and quickly remove hard skin without discomfort and leave your feet soft. No more scraping and cutting, they are effective in treating hard skin. The most effective roller for removing hard skin and providing a smooth finish. These rollers are antibacterial and reduce bacteria by 99.9%. ------Perfect for Foot Care: This set of four Extra Coarse rollers has been designed to fit the Scholl Velvet Smooth Express Pedi Electric Foot File & Scholl Velvet Smooth Wet & Dry File and is suitable for all skin types. Note: Not compatible with Scholl Express Pedi. ------How to Use: 1) Ensure the device is turned off. 2) Press the eject button on the side of the device and remove the existing roller. 3) Insert the new roller into the device by sliding the roller into the machine and ensuring it clicks into place. 4) Gently shake the device to ensure the roller has been inserted correctly and there are no loose parts. 5) Dispose of your used roller. ------Note: For maximum effectiveness, we recommend replacing your rollers every 10-12 uses. Regularly replacing your rollers ensures your Velvet Smooth is as effective as possible at removing rough, hard, and dry skin from the soles of your feet. ------Package Contents: 4 X Replacement Rollers.