Draw filing is a technique used for producing smooth, square edges, particularly on pieces of metal. The process works by moving any type of single cut file forwards and backwards along the length of the material's edge.

When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by Using file card.

A file removes the metal during Forward stroke.

A rasp is coarse form of file used for coarsely shaping wood or other material. Typically a hand tool, it consists of a generally tapered rectangular, round, or half-round sectioned bar of case hardened steel with distinct, individually cut teeth.