Suitable for operations in various fields such as coal mines, metallurgy, chemical industry, and pipeline measurement; it is used for chiseling, cutting, and prying of various metal components, especially for chiseling and cutting on irregular or narrow and inconvenient surfaces. It is also suitable for opening work on brick walls and concrete walls. It has the characteristics of simple and clear operation, small volume, and convenient portability. The standard configuration includes: flat chisel, pointed chisel, and steel bar cutting chisel.