Plumbing Hex Wrench Looking for plumbing hex wrench. Used for installation of lock nuts for faucet fixtures. Has low profile jaws for thin lock nuts. Nuts are only several mm in height (profile). Tool must be strong, durable, have lifetime warranty. You must be willing to provide low competitive unit pricing. You must be willing to make a provision for 1-2 samples of this product or products as a SAMPLE for me to evaluate product quality. If you cannot provide sample, please do not respond to this solicitation. You must have high quality product. Steel must be strong. Must not strip, chip, or wear down. Must be able to handle any tough plumbing job and demands for plumbing work. Company must stand behind quality of product. Must be able to provide marketing materials detailing characteristics of the hand tools. PO Box 7153, Porter Ranch, California, United States Contact Person: Mr. David Cyrus Koupai Telephone: 1-818-3684197