Ko-ken 4772Z 1/2 Sq. Dr. Universal Double Joint 1/2 Square Length 87.2mm Z-series

Pin-less double 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 60 degrees of rotation.