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 skin. Safe and Effective - These Scholl Velvet Smooth replacement rollers have a curved design and fit your feet perfectly. Long-lasting diamond crystals, micro-abrasive particles, remove hard, rough, cracked, dry and calloused skin, providing beautiful, soft feet effortlessly. Save Time and Money - Do you regret that your Scholl replacement rollers are more expensive than others? - Now you can get a pack of 9 Scholl Velvet Smooth refills at a really reasonable price and much cheaper than the original. Usage - These replacement rollers are perfect for pedicures in Scholl Velvet Smooth and other brands of foot care tools for callus removal. Easy to install - Easy to install with just one click, replace the velvety Scholl roller when it becomes less effective, suitable for soft, hard, dry and sensitive feet.