Parker H3E Industrial Quick Connect Coupler Plug, 3/8 in Body, 3/8 in FNPT, Steel, 300 psi

Industrial interchange steel quick-connect air coupling plugs are the male end of coupling sets. Also called nipples, they're inserted into the coupling bodies (female ends) to connect tools to air lines. High-flow couplings increase flow for greater tool efficiency, reduce pressure drop, and decrease air costs. Steel couplings are hard and resilient with more damage resistance than softer metals and a wide working temperature range.