Mettec Titanium 6/4 studs have forged hex and rolled threads for better fatigue strength. Four screw in studs for that allow for a half tall nylock nut on both ends. Plus 8pcs steel nylock nuts. Kit contains the following P/N's 4ea TD502 Titanium One Nut Stud for Drag Link and Tie Rod 8ea ST364-820G5 Steel Grade 5, 1/2-20 Nylock Nut - Shear