Universal Joint, Coupling Size D-3B, Overall Length 2 1/4 in, Maximum Bore Diameter 1/2 in, Maximum Operating Angle 25 Degrees , Yoke Length 1 1/8 in, Boot Material Not Applicable, Bore Diameter 5/16 in, Number of Joints Single, Joint Diameter 5/8 in, Maximum Speed 1,750 RPM, U-Joint Material Carbon Steel, Joint Type Pin & Block, Booted No, Outside Diameter 5/8 in, Keyway Depth Not Applicable, Keyway Width Not Applicable, Length through Bore 11/16 in, Break Torque 540 in-lb