The Gates 157J28 is a retractable air hose reel with a 3/8" diameter x 50' long rubber air hose. It has a maximum working pressure of 300 PSI and is constructed of steel with a powder coat finish. The reel features an auto-guide hose rewind system and a ratchet style rewind control. It can be mounted on the wall, ceiling or truck. This heavy duty retractable air hose reel is ideal for workshops, garages, and industrial sites that require a long, durable air hose.