TEKTON 25-PC. HEX KEY WRENCH SET features: Extruded Carbon Steel Construction, Heat Treated, Black Oxide Finish for Durability, 12-pc. Long Arm (SAE): 0.05, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8", 13-pc. Short Arm (Metric): 1.3, 1.5, 2, 2.5, 3, 4, 5, 5.5 , 6 , 7, 8, 10mm, Complete with Vinyl Storage and Organizer Pouch.