The telescoping boom on this VESTIL Mobile Jib Crane lifts the heaviest loads. Manual hand pump raises boom quickly. Hand-adjusted release valve lowers boom. Includes rigid lifting hook. Steel construction with painted finish. Rolls on two rigid, two swivel casters. Choose either standard with adjustable 54 1/2–83 1/4"L legs or folding space-saver model with 72"L fixed legs .