MTM Hydro's Stainless Steel Garden Hose Quick Connect Kit upgrades your cleaning experience as a rust-free option that is also chemically resistant. These Stainless Garden Hose fittings were originally developed for the U.S. food production industry. Still, they opened up to the public a few years ago when demand surged for premium fittings. The specialized Stainless Garden Hose Coupler has 6 stainless locking balls and a firm spring collar to fully engage the Stainless Garden Hose Plug and eliminate the risk of bumping against another object and disconnecting. You will notice in this kit, we have included one Coupler for your hose Outlet and three Plugs for various Accessories such as Garden Hose Spray Gun, Sprinkler, Watering Wand, Spigot Connection, Secondary Hose connection you only like to use for the back yard, Pressure Washer Inlet.