Universal Joint Coupling Size D-10B Overall Length 4 1/4 in Maximum Bore Diameter 7/8 in Maximum Operating Angle 25 Degrees Yoke Length 2 1/8 in Boot Material Not Applicable Bore Diameter 3/4 in Number of Joints Single Joint Diameter 1 1/2 in Maximum Speed 1 750 RPM U-Joint Material Stainless Steel Joint Type Pin Block Booted No Outside Diameter 1 1/2 in Keyway Depth 3/32 in Keyway Width 3/16 in Length through Bore 1 3/16 in Break Torque 5 280 in-lb