This item is specially created to smooth dry‎,‎ rough and callous skin on feet‎.‎ Unique rollers grinding spins 360 degrees‎,‎ at amazing 40 times per second‎,‎ 300 degrees wide angle to gently and efficiently buff away hard‎,‎ jagged skin on the heels‎.‎ This Callous Remover works faster and safer than metal scrapers‎,‎ with no blade to cut skin and easier to handle than other methods‎,‎ which requires constant rubbing to achieve the results‎.‎ It is rechargeable and ergonomically designed to fit comfortable in your hand‎.‎