This set comes with 1-Heim joint and 1-jam nut. The included jam nut is zinc coated for superior durability. Heim Joint 1.25" Flex Joint Left Hand Thread, Includes Tube Adapter And Jam Nut 3/4 Right Hand Thread Heim Joint With Jam Nut Set 3/4" Heim Joint Rod End with Jam Nuts, Left and Right Hand Thread Chromoly Joints Panhard Rod End Kit, Rod End Bearing Heim Joints Spherical Rod End ; Size · 3/4 Includes 1-Heim Joint and 1-Jam nut , 3/4” 16-tpi Thread , 2-piece design , Never need grease , 28,000 Pound load rating Common uses are steering joints and link joints on hot rods drag racing 4-link lowrider or custom builds. 3/4-16 Rod End Right Male Thread 3/4-16 x 3/4 Bore. These high-precision heim joints give your ride the brute strength to handle any off-road challenge while maintaining a tight, reliable connection 5/8 Chromoly 3/4 Bore Heim Joint With Jam Nut - Right Hand Thread (Zinc Plated For Corrosion Resistance) Heim Joints They are a 2-piece design with a Teflon impregnated nylon race for high friction resistance.