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 holders firmly retains each key in a size marked hole Includes: EKL10213 (sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10.0mm short keys) and EKL10509 (sizes: .050”, 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16" and 3/8” long keys). Colored coded red for inch, blue for metric. Made in the U.S.A.