Designed for use in multiple locations includes jib crane and one base socket. Extra base sockets may be purchased for use in other locations. Friction brake design allows positive locking and controlled rotation of heavy loads. 360° continuous rotation of heavy loads. Handle most applications up to 1,000 lb. 6" high I-beam with 4" flange width. Rugged welded steel construction. Requires reinforced concrete pad for installation. Hoist and trolley sold separately.