Tired of using pedicure tools such as pumice stones, scrapers and sanders? Only wear high heels in the summer heat? Our callus remover for feet can take you new experience, convenient and detailed for your feet. Specifications: Material: grind: ABS(Acrylonitrile Butadiene Styrene) roller heads: natural quartz 10 Pedicure Kit: stainless steel, carbon steel Color: grind--black. roller heads--black .Pedicure Kit--silver, black Size & Quantity: include 14 kind tools Package includes: The Body of the Callus Remover: 1 * 6.69 inches(L) * 2.36 inches(W) /17 cm(L) * 6cm(W) Roller Heads: 3*2.36inches/6cm USB Charger Cable: 1*32inches/80cm Clean Brush: 1 Pedicure Kit, including: Corn Knife: 1*2.75inches/7cm Cleaning Brush: 1 Callus Scraper With 4 Blades: 1*5.51inches*1.18inches/14cm*3cm Coarse File: 1*6.69inches*1.18inches/17cm*3cm Fine File: 1*6.69inches*1.18inches/17cm*3cm Long Black Nail File: 1*5.11inches/13cm Double Sided Frosted File: 1*6.3inches*1.18inches/16cm*3cm Dead Skin Clipper: 1*3.94inches/10cm Manual: 1 * 3.35 inches * 4.92 inches / 8.5 cm * 12.5 cm The tolerance range of positive and negative is about 1-2mm.