These spreader beams are designed to lift and transport wide, unbalanced and unevenly shaped loads. All-welded steel channel construction, and shackles are included. Each spreader beam has lower bails that are adjustable in 6" increments along the beam. Upper bail is adjustable in 4" increments. Low headroom design provides greater clearance. Meets both ASME B30.20 and ASME BTH-1 standards.