1.65-Inch Large Nano Glass Grinding Head Large 1.65-inch nano glass grinding head, Unique sun-textured function panel, Designed to remove rough calluses More efficient to use Easy to Clean Easy to clean, Simple to use. Please note that the body of the foot file is not waterproof, do not wash it. Small Replaceable Sandpaper Grinding Head With 20 replaceable sandpaper discs, Self-adhesive feature, sticks firmly, Easy to replace. Easy to Use 1 person 1 sandpaper disk, Ideal for home salon use, Clean and healthy. Packaging Details: 1 x Rechargeable Foot File, FCR-5 1 x Large nano glass grinding head 1 x Small sandpaper grinding head 20pcs Replaceable sandpaper discs 1 x USB-C charging cable, 1 x User Manual