If the Nozzle Tips is placed into the Coupler, but the locking collar is not fully closed, please manually push the Pivot Coupler Specifications:
Material: Stainless Steel + Brass Max pressure: Up to 4500PSI
1/4 Quick connection design, 2.5 GPM, 2.5 orifice size
Attached to a quick-connect wand or gun.
The pivoting coupler adjusts 180 degrees for 5 different cleaning angles. Ideal for reach the bottom of your car and the hard-to-reach areas in cars rims. It is also great for gutter cleaning locking collar.