EKL25611 Features: -High quality, industrial grade professional set.-Made with Eklind® Alloy Steel.-Heat treated for optimum strength and ductility.-6 Piece SAE Ergo-Fold Hex Key Set. Color/Finish: -Finished with Eklind black finish to resist rust.-Fold up sets include a variety of popular sizes in one convenient handle to keep you from losing keys Sizes include: 5/32", 3/16", 7/32", 1/4", 5/16" and 3/8". Fold a key out to a right angle to get maximum leverage; fold a key out completely to operate like a screwdriver. Eklind® Ergo-Fold™ Fold-Up sets have a hard plastic shell that is stronger than steel and a soft plastic over mold for comfort and slip resistance to enhance your safety. The ergonomic shape fits comfortably in your hand. Color coded red for inch. Made in the U.S.A.. Warranty: -Lifetime warranty does not cover abuse.