The Stanley folding chisel is a compact tool for carpenters and joiners, suitable for use on the job site. The blade folds inside the handle, allowing you to carry it in your pocket as safely as possible. The chisel is handy for use in confined spaces or for field work. It is made of hardened and tempered carbon steel to preserve the cutting edge. The handle is made of two materials for comfort and has a steel striking cap that fits for use with a hammer. The blade size is 25 millimeters.