Ko-ken 4771Z 1/2 Sq. Dr. Universal Joint 1/2 Square Length 55.8mm Z-series

Pin-less universal joint in 1/2" square drive. The joints use ball mechanisms to provide a fluid motion/rotation. They are connected by mutually engaged hexahedrons, this innovative connection disperses the load across the whole outer circumference of the tool. Allows 30 degrees of rotation.