Armstrong 78-308 8-Inch Capacity Super Deep, Square Throat Pattern C-Clamp, Black Finish

Armstrong Industrial Hand Tools have a heritage of Made in the USA since four brothers founded the company in 1890. This Armstrong brand C-clamp is forged from domestically produced steel ensuring unequalled strength, toughness, and durability. Capacity Maximum: 8, Capacity Minimum: 0, Depth of Throat from Center of Screw: 8-1/2, Thread Size: 3/4-6, Length of Screw: 12-3/8, Minimum Proof Test: 5,900, Full Length Forcing Screw : Yes, Finish : Black Oxide, US Federal Specification : GGG-C-406d, Replacement Forcing Screw : 95-468, Replacement Pad : 95-419, Zinc Plated Forcing Screw : No, Forcing Screw Threads : Rolled Acme Threads.