This is a 12FMB-12 Foot Fork Mounted Adjustable Boom. Heavy Duty construction is rated for 2,000 lbs per stop and has 6 stops. Our adjustable boom is equipped with a spring loaded lock pin allowing the user to secure the boom at a stop every 24 inches. The attached chain secures to the machine or attachment head for safety. This HAYSTIX© and allproforks product is made in the U.S.A. and ready for your Heavy Duty jobs.