What are the charcaterics of the hand file?

A hand file is a tool used for shaping, smoothing, or finishing materials, typically metal or wood. It features a flat, rectangular, or other shaped body with a rough surface that can vary in coarseness, allowing for different levels of material removal. Hand files come in various shapes, including flat, round, half-round, and triangular, each suited for specific tasks. They are typically made of hardened steel and are manually operated, providing precise control during use.