Usage Tips:3 Different Levels Coarse - 9 scholl pedi replacement rollers contain 3 different different levels to meet your hard skin removal needs. Extra Coarse to effectively remove even the toughest hard skin Regular Coarse to soften and smooth ordinary hard skin Soft Coarse for the perfect finishing touch and good daily maintenance.Safely and Effectively - These rollers scholl velor slick replacement shoes feature a curved design and fit your feet perfectly. Long-lasting diamond crystals, micro-abrasive particles, remove hard, rough, cracked, dry and callused skin, deliver beautiful, soft feet effortlessly.Application - These replacement roller heads work great with scholl velvet smooth pedicure and other brands of foot care callus remover.Easy to install - Easy to install with just one click, replace the Scholl velvet smooth roller when it becomes less effective, suitable for soft, hard, dry and sensitive feet.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.