Double-End Threaded Stud End Type Straight Cut Material Steel Material Grade/Class Grade 5 Finish Black Oxide Wrench Flats No Overall Length 65 mm System of Measurement Metric Thread Length A 20 mm Thread Length B 16 mm Thread Size A M12-1.75 Thread Size B M12-1.75 Thread Direction A Right Hand Thread Direction B Right Hand Color Black Minimum Yield Strength 120 000 psi Rockwell Hardness C27 Min Package Quantity 2