For sale is a No.5 "Heavy Service" Bridge Clamp / C-Clamp. 5-1/2" Maximum opening. 3" Throat depth (clamp frame to C/L of clamp screw). 7/8 Diameter X 9 TPI clamp screw. 5-3/8" Overall length of clamp screw. Clamp body is marked "Trade No.5 / Billings, AZ - 116 / Heavy Service / Made in USA". NOTE: This Bridge Clamp is in very good condition, with no cracks or welds. The clamp screw is straight and in good condition.