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.