Model Number: TF-16R007 Brand Name: TOPFENG Key Specifications/Special Features: Easily buffs away calluses, dead skin, or dry and rough skin in seconds.It is completely painless and contains no dangerous blades.The secret is the nano-abrasion roller that's 40% larger combined with the exclusive pivoting powerball.The Powerball callus remover even has a powerful built-in LED light so you can see up close.Includes: one abrasion roller and one charger.