The ends of this Borgeson Universal u-joint are 3/4"-36 spline x 3/4" DD. It is machined on state of the are CNC equipment from steel. Borgeson needle bearing joints have the distinct advantage of lasting as much as 10 times longer than non-needle bearing joints. These needle bearing joints have no backlash or radial play. They are permanently lubricated and sealed.
The 16 Series steel u-joints from Borgeson are tough and reliable. Similar to OEM automotive and truck u-joints, the staked needle bearing caps prevent loosening and adjustment malfunction. The angle of deflection in the 16 Series u-joint has been increased to 35 degrees, eliminating the need for a third u-joint in some applications.