Double-End Threaded Rod, 3/4"-10 Thread to 3/4"-10 Thread, 18 in, Steel, Black Oxide, 2 PKMfr #: 40917 Price For: Each Thread Size: 3 4" 10 Threaded Rod Shank Shape: Square System of Measurement: Inch Finish: black oxide Class: 2A Thread Size B: 3 4" 10 Shank Type: Square Yield Strength: 120,000 psi Material: Steel Thread Class: 2A Length: 10" Thread Length (B): 2" Thread Direction: Right Hand Thread Length B: 2" Threaded Rod Finish: Black Oxide Thread Length A: 2" Thread Size A: 3 4" 10 Thread Length Type: Equal Rockwell Hardness: C27 Min