This is an underseat mount for your fire extinguisher. It fits on manual seats in 1974-1998 911/964/993/944/928. It mounts directly to the seat rails without getting in the way when you adjust your seat. It is designed to mount the standard 2.5lb extinquishers but is also holds the new Element Fire Extinguishers! Both the 50 and 100 second styles. It is made in the USA using lightweight aluminum and the visible parts are powdercoated Safety Red. Easy installation should take you about 30 minutes.