Abell-howe top-braced wall mounted jib crane 910002 500 lb cap 10′ span w/ 200 rotation top-braced wall mounted jib crane with 200 degree rotation for maximum hook coverage. This all purpose tie rod wall mount jib crane is designed for heavy duty applications and produced from high-grade steel components. hinge mounts easily to any substantial structural steel building column at desired height. Tie rod is threaded for ease of installation and field adjustments. crane fittings have bearings with lube fittings for long lasting life and ease of movement. structural steel is finish painted in highly visible safety yellow enamel.