Universal Joint, Coupling Size D-4B, Overall Length 2 11/16 in, Maximum Bore Diameter 5/8 in, Maximum Operating Angle 25 Degrees , Yoke Length 1 3/8 in, Boot Material Not Applicable, Bore Diameter 3/8 in, Number of Joints Single, Joint Diameter 3/4 in, Maximum Speed 1,750 RPM, U-Joint Material Carbon Steel, Joint Type Pin & Block, Booted No, Outside Diameter 3/4 in, Keyway Depth Not Applicable, Keyway Width Not Applicable, Length through Bore 7/8 in, Break Torque 768 in-lb This D-type universal joint features a special tapered shape of yoke, which helps provides exceptional strength, while allowing full free movement of joint. The standard, industrial-type universal joint features a pin-and-block design, as well as boot-retaining grooves. The grade 303 stainless steel construction helps r.