Heavy-duty Aluminum construction with proof1 Set Hose ConnectorStainless steel clamp for hoses from 16mm in diameter.Standard 3/4" US thread garden hose connection, work with your garden hose, sprayers, nozzle, etc.It can be use garden hose , end hoses male , end hoses female ,hose .buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Size: Approx. 8 x 3 x 1.6 cm.Package Including：Pipe joint diameter is 19mm/0.74”, Standard 3/4" is about 19.1mm, Our product is a little smaller than stand size which to insert or pull out 3/4” hose.with the stainless tightening clamp you can make it tightly you want.Specification: Material: Aluminum.Fit 16mm out diameter hose.