For sale is a Chicago Boiler Company "Red Head" Model 8302-L Heavy Duty Lifting Clamp. 2-1/4" Maximum opening. 3" Depth of throat (face of "C" to center of clamping screw). 12-1/2" X 8-1/4" Overall size (less handles and screws). Approximately 20 pounds net weight (each). Made in the USA. (2) Available. Ships in a USPS large flat rate box, with no additional shipping charge if you buy both.