ITEM NAME:1/2" Threaded Brass Tap Adaptor Garden Water Hose Quick Pipe Connector Fitting Z a.imagelink a:hover.imagelink {color:#174d96;.This type of copper joint is generally used to connect car squirt gun. Type: 1/2" Outer Threaded Brass Tap Adaptor. Solve the problem of the kitchen, balcony, bathroom and other joints can not be directly connected to the tap and gun.