Usage Tips: 3 Different Levels – Coarse, Regular Coarse, and Soft Coarse replacement rollers to meet various hard skin removal needs. Extra Coarse effectively removes tough hard skin. Regular Coarse softens and smooths ordinary hard skin. Soft Coarse provides a finishing touch for daily maintenance. Safely and Effectively – These rollers feature a curved design that fits comfortably to the foot. Long-lasting diamond crystals and micro-abrasive particles help remove hard, rough, cracked, dry, and callused skin, leaving feet feeling soft and smooth. Application – Compatible with Scholl Velvet Smooth Express Pedi and other leading foot care devices. Ideal for use in callus and hard skin care routines. Easy to Install – Simple one-click replacement system. Replace the roller when performance decreases. Suitable for soft, hard, dry, and sensitive feet. Durable Performance – Designed for effective exfoliation and long-term use, helping maintain smooth feet with regular use.