Universal Joint, 3/8 in. Dr, 2 in.

Bailey Universal Joint Assemblies (Standard Series) - Universal Joint with Relubricable Bearings - Standard U Joint, 3/4’’ x 3/4’’ ID, 3/16’’ Keyway, 1000 RPM, 5” Overall Length, 2.4 lb, 133014

This Is How A Universal Joint Works And Some Of It's Applications