The 439 is a longer  hydrant tool bag that will hold your longer hydrant tools and a large diameter coupling

Holds your hydrant tool and related items. Attaches to hydrant end of hose and need not be removed when charging the line, as the straps are made of 2" webbing and Velcro and will attach to 2½" - LDH hose.
Constructed of 22oz vinyl, it measures 27" X 9" X 6", and will hold a 5" coupler.
Wt. 20 oz.
Color: Yellow