Universal Joint Coupling Size Not Applicable Overall Length 40 mm Maximum Bore Diameter 6 mm Maximum Operating Angle 45 Degrees Yoke Length 20 mm Boot Material Not Applicable Bore Diameter 6 mm Number of Joints Single Joint Diameter 12 11/16 mm Maximum Torque 7.9 N-m U-Joint Material Alloy Steel Joint Type Pin Block Booted No Outside Diameter 12.7 mm Keyway Depth Not Applicable Keyway Width Not Applicable Length through Bore 13.3 mm Break Torque 39 N-m