<p><strong>Please kindly noted that this item is sold by Zheyi from Joybuy marketplace.</strong></p>Product details Value and considerate 8 pack Amope Perfect refills foot file replacement rollers set: 4pcs extra coarse in black, 4pcs regular coarse in blue and black. More economical than original replacements. Selected materials: Carborundumore. Added carborundum particles to refills, roughness 24-59um, easily remove the dead skin of the foot, long life time than usual roller, take care of the tender and smooth feet. Differences: The extra one used for removing thicker callus more effectively and quickly, regular coarse one for daily maintenance. Best designed replacement roller refills for Amope Perfect: These rollers refills can fit your Amope perfectly with easy quick installation. Suggestions: Please replace the accessories regularly every 3 months to maintain the effect of grinding repair. Cleaning the refills under running water after use can increase the service cycle.