Features and Benefits: * High quality, industrial grade, professional tools * Made with Eklind® Alloy Steel * Heat treated for optimum strength and ductility * Finished with Eklind® Black Finish to resist rust * Plastic holder firmly retains each key in a size marked hole Sizes include: short: .050", 1/16", 5/64", 3/32", 7/64", 1/8", 5/32", 3/16" and 7/32"; Long: 1/16", 5/64", 3/32", 1/8", 9/64", 5/32", 3/16", 1/4" and 5/16". Color coded red for inch. Made in the U.S.A.