This part is available individually but also includes the metal clamp. The premier epoxy coated zinc shut is made of metal and helps to control the flow of the liquid. It might require a wrench to replace this item if it becomes broken. This is an authentic part from Chapin for use in sprayers. The photo shows two ribs at the hose attachment. This is the new replacement part, which has one rib.
This is available as an individual replacement part. The industrial brass extension is made of metal. A wrench may be required to replace this item. It will require replacing if it breaks or bends. This part is an OEM sourced directly from the manufacturer for use in Chapin paint sprayers.