"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, Capacity lbs. 500, Includes All shackle connections, Dimensions L x W x H in. 50 x 3 1/2 x 12."