Aluminum alloy body with professional feel Solid aluminum alloy shell gives a weighted, sturdy feel compared with ordinary plastic. The metal surface is comfortable to hold and presents a end appearance. Metal construction provides faster heat dissipation, reducing the chance of overheating during extended use. Continuously variable speed for precise control Infinitely adjustable speed lets you match rotation to the condition of your skin, similar to turning a radio volume knob. speed for thick, stubborn calluses; low speed for gentle maintenance and sensitive areas. Precision grinding head design Finely patterned grinding head and selected materials enable controlled removal of dead skin while minimizing impact on healthy skin. Allows careful work near toe edges and other tight areas without sacrificing accuracy. Visible, consistent results At the right speed and pressure, dead skin and callus layers are ground away evenly, revealing smoother skin underneath. Grinding produces thin, uniform shavings rather than uneven tearing, making results predictable and satisfying. Comfort and usability Ergonomic form and balanced weight make the device comfortable to hold during longer sessions. Stable performance over extended use due to effective heat management. Practical applications Home foot maintenance: regular sessions to keep heels and soles smooth between professional treatments. After activity: remove rough calluses that form after hiking, running, or long periods on your feet. Prepedicure prep: smooth areas before a salon visit for a more even result. Key attributes at a glance Material: aluminum alloy shell for durability and heat dissipation Control: continuously variable speed for precise adjustment Function: electric grinding for removal of dead skin and calluses Performance: consistent, controllable grinding that protects surrounding healthy skin This device is designed to give precise, controlled foot care with a durable metal body, adjustable speed control, and a fine grinding head for safe, effective removal of dead skin.