"This durable M&W lifting beam features rugged construction suited for jobsite or warehouse use and provides a capacity of 500 lbs. The beam is individually proof loaded per OSHA requirements and includes all applicable certification paperwork. U.S.A. OSHA Approved Exceeds all ASME B30.20, OSHA regulations, Dimensions L x W x H in. 50 x 3 1/2 x 12, Capacity lbs. 500, Includes All shackle connections."