[Perfectly Compatible]: Extra coarse replacement rollers are compatible with Pedi Refills Electronic Perfect Foot File. Designed to remove thicker, harder skin more effectively and quickly. Safely and Effectively: Helps remove rough, hard, dry, cracked, and callused skin from the soles of your feet. As Good as New: Replace your worn-out rollers with refills that perform as well as the original. Spare Rollers: Specially designed for the roughest and toughest calluses, suitable for both men and women. Color: Black & Blue Material: Pumice + Plastic Package Contents: 12 Pack x Extra Coarse Replacement Roller Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowance is +/- 1-3 cm.