PROAIM 21ft Alphabet Professional Travel Jib Crane Tripod Stand for DSLR Video Camera Up to 15kg/33lbs | Convertible to 18ft, 15ft & 12ft + Carrying Bag (P-A21-JS) Aircraft Aluminium Crane Sections are ribbed, giving the structure 4x strength yet keeping crane lightweight Reinforced section joints for extra support that eliminate any slack or shakes even at 21ft; Hi-strength stress cables for better stability Heavy Duty tripod stand with spreader is sturdy enough to support the crane when its fully loaded Complete tool-less connectivity saves your set up time; Convertible to 18ft, 15ft & 12ft Includes storage bag. 100% customer satisfaction. Buy with confidence.