A power hacksaw, also known as an electric hacksaw, is a cutting tool that is powered by an electric motor and designed to cut through tough materials such as metal, wood, and plastic. There are several synonyms for this tool, including electric saw, power saw, reciprocating saw, and sabre saw. These tools work in a similar way, using a back-and-forth motion to cut through materials quickly and efficiently. While each tool may have its own unique features and benefits, they are all designed to help professionals and hobbyists alike tackle tough cutting jobs with ease and precision.