Open End Wrench Set 4306 USA EUC. Open End Wrench Set. Set # 4306. Ends appear to never have been used (see pic). NO previous owners marks ( see pics). Sold As-Is. INCLUDES: SAE : 7/32", 15/64", 1/4", 9/32", 5/16", 11/32, 3/8" and 7/16".