The Triangular File with Wooden Handle is a hand tool commonly used in laboratories and workshops for shaping, smoothing, and cutting hard materials such as glass, metal, and plastic. It is particularly useful for scoring glass tubes and rods before cutting, which is a common requirement in laboratory glassware preparation. The file features a triangular-shaped hardened steel blade with sharp cutting edges that allow precise filing and finishing work. It is fitted with a smooth wooden handle that provides a comfortable grip and better control during use, ensuring safe and efficient operation.