High quality, industrial grade professional set. Made with Eklind Alloy Steel. Heat treated for optimum strength and ductility. Finished with Eklind Black Finish to resist rust. Eklind T-handle hex keys provide extra reach and extra leverage Sizes include: 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32" and 1/4". Loop style T-keys stack neatly and fit in a compact pouch to fit most easily in your tool box. Made in U.S.A.