Universal Joint Coupling Size Not Applicable Overall Length 2 11/16 in Maximum Bore Diameter 3/8 in Maximum Operating Angle 45 Degrees Yoke Length 1 3/8 in Boot Material Nitrile Bore Diameter 3/8 in Number of Joints Single Joint Diameter 3/4 in Maximum Torque 30 in-lb U-Joint Material Alloy Steel Joint Type Needle Bearing Booted Yes Outside Diameter 1 3/8 in Keyway Depth 1/16 in Keyway Width 1/8 in Length through Bore 15/16 in System of Measurement Inch Bore Type Round Keyed