The Kason 11239000001 is an inside release mechanism with a handle, commonly used in commercial refrigeration equipment, such as walk-in coolers and freezers. Kason is a well-known manufacturer of hardware for these applications. This particular component allows someone inside the cooler or freezer to easily open the door from the inside. https://partsfe.ca/11239000001-kason-kason-11239000001-releaseinside-whandle