CORNERSTONE, ADJUSTABLE JIB Jib, Telescopic truss jib manually adjusts from 6'9" to 12"Low profile compact design great for transportion to and from jobsiteNine different positions for adjustment and placement of hookTelescopic truss jib fits most types of telehandlers and forkliftsOur truss jib boom easily mounts on your fork tines3 choices for fork pockets - 3" x 6", 3" x 7" or 4" x 8"Swivel hook with safety closure latch included with all telescopic jibs, Attachment, Serial Number: 1