There are wreckers and older equipment that still require the use of Boom Support lines. These cables from All-Grip are the same as factory replacements. Constructed of 6 x 19 Eip Fibercore wire rope with a flemished thimbled eye at one end while the other end is plain. Has a 5,000 lbs. working load limit1/2″ W x 73′ LWeight: 31.8 lbs.