New Old Stock / NOS or New Old Replacement Stock u joint that I believe is for Chevrolet truck.  It has 10 tooth splines at both ends.  The label on the box is gone though someone wrote in pen 1933 Utility ( rear), 1934-39 Util. (exc. VE,VF) 1937-47 -3/4 + 1 ton w / 4 spd. exc WD, AN, RN, DS, ES).  The condition is excellent...minor shelf wear.

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