professional electric nail machine: Grit:P40-P320 Color:Brown,Blue,Pink,Yellow.White. Use in manicure and pedicure set. professional electric nail machine:1) Grain material: Brown aluminum oxide; Zirconia Alumina; Black silicon carbide2) Backing material: cotton3) Available grits: P40-P320.4) Color:Brown,Blue,Pink,Yellow,White.5) Shape , size and FOB price (USD/piece): Abrasive capsSpecification ...