Pipe joint diameter is 16-16.5mm, Standard 5/8" is about 16.5-17mm,Our product is a little smaller than stand size which make it easy to insert or pull out 5/8” hose.with the stainless tightening clamp you can make it tightly as you want. | Standard 3/4" US thread garden hose connection, work with your gaden hose, sprayers, nozzle, etc. | It can be use garden hose mender, end hoses male mender, en