Birchmeier Adjustable Angle 28402699, Brass.
Allows you to direct your spray at almost any angle. Has almost 300 degree range of motion.
Fits between the birchmeier spray nozzle and the spray wand (or 6' brass wand extension). NOTE: Spray tip & wand are sold separately.
Easy to use, just screw on. Loosen the wing-nut, set the desired angle and tighten.