As others have noted, this is a quality, U.S.A. made hose.  I have had one for several years of home DIY use and have had no issues with it, mostly to supply power to a flooring staple/nail, as I slowly add flooring to the money pit known as a home.  The hose is thick and heavy, not prone to kinking at all, and easily coiled up when done.  A great replacement for the flimsy stock hoses often supplied with nailer combos.  Just be sure to use Teflon tape on your fittings and this hose should last a lifetime.  Highly recommended.