4 Mixed Course Replacement Pedi Roller Heads for amope refills: 1 Extra Coarse for removing thicker cuticle more effectively and quickly, 2 Regular Coarse for daily maintenance, and 1 Soft Touch for gently polishing to reveal your soft and smooth feet. Perfectly fit amopé pedi perfect electronic pedicure foot files (smoother) and many other brand of callus removers. Safely and effectively buff away rough, hard, dry, cracked and callused skin from the soles of your feet and heels in minutes. Professional grade, consisting of 2 times more micro-diamond crystals abrasive particles compared to other brands, making them remove dead skin more efficiently, and enduring any wear and tear.