Universal Joint Coupling Size Not Applicable Overall Length 3 3/8 in Maximum Bore Diameter 1/2 in Maximum Operating Angle 45 Degrees Yoke Length 1 11/16 in Boot Material Nitrile Bore Diameter 1/2 in Number of Joints Single Joint Diameter 1 in Maximum Torque 121 in-lb U-Joint Material Alloy Steel Joint Type Needle Bearing Booted Yes Outside Diameter 1 9/16 in Keyway Depth 1/16 in Keyway Width 1/8 in Length through Bore 1 3/16 in System of Measurement Inch Bore Type Round Keyed