Extra Coarse - Set of 9 Scholl Pedi Extra Coarse Replacement Rollers to meet your callus removal needs. Extra coarse to effectively remove even the toughest calluses. Safe and effective - These Scholl Velvet Smooth replacement rollers have a curved design and fit your feet perfectly. Long-lasting diamond crystals and micro-abrasive particles help remove hard, rough, cracked, dry, and calloused skin, giving you beautiful, soft feet effortlessly. Save time and money - Get a pack of 9 Scholl Velvet Smooth refills at a reasonable price, offering great value compared to original replacements. Application - These replacement rollers are compatible with Scholl Velvet Smooth pedicure devices and other brands of foot care callus removers. Easy to install - Simple one-click installation; replace the roller when it becomes less effective. Suitable for soft, hard, dry, and sensitive feet. Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight dimensional differences due to manual measurement.