This emergency shut off switch is intended to provide you with a high quality safeguarding component for your workshop and power tool needs. It features a simplistic design with a quick emergency lockdown button. It’s compact profile conveniently allows you to place it in an easily accessible location, to give you a "remote" option that doesn’t have to be placed underneath your equipment. When compared to other factory branded power switches, many professionals consider this unit to be the best overall value for shut down switch replacements. It’s compatible with popular brand machines, including Ryobi, Craftsman* and many others.