Hunter Sprinkler HQ33DRC Quick Coupler 3/4-Inch NPT Inlet Thread Non-Locking 2-Piece with 2 Slots, Yellow With heavy-duty red brass and stainless steel construction, all HQs feature our Tuff Top spring-loaded locking or non-locking covers The unique Wing Thing models feature anti-rotation stabilizers for added vandal-resistance and operational durability One-piece and two-piece models are available