S.A.E.; 9PCS: 1/4" (YT-4870), 5/16" (YT-4871), 3/8" (YT-4872), 7/16" (YT-4873), 1/2" (YT-4874), 9/16" (YT-4875), 5/8" (YT-4876), 11/16" (YT- 4877), 3/4" (YT-4878); GERMAN TYPE, SATIN FINISH WITH POLISHED HEAD, 15 DEG OFFSET, CHROME VANADIUM STEEL, DIN3113, AS-DRIVE