Don't get caught in a jam - Speedway Motors has packed together a set of right and left-hand jam nuts that are perfect for any custom suspension work or to have on hand in the race trailer, for those days when one goes missing in the pits! Kit Contains: (1) Speedway Motors 11/16 Inch Steel Jam Nuts, Left Hand Thread 6 Pack (1) Speedway Motors 11/16 Inch Steel Jam Nuts, Right Hand Thread 6 Pack Speedway Motors 11/16 Inch Steel Jam Nuts, Fine Thread If you've got spherical rod ends on your vehicle, you'll probably need jam nuts. You might also need them for tie-rod ends or other types of fittings and connectors. Our jam nuts are made from premium steel (zinc-coated for corrosion prevention), and they come with both right hand and left hand threads. These steel fine thread jam nuts are for use with rod ends, heim joints, and clevis. 11/16 Inch-18 NF Fine Thread. 6 pack left hand thread. 6 pack right hand thread.