The STEELMAN UQC13M-IND 1/4-Inch Plated Brass 3-In-1 Universal Quick Disconnect Coupler with 1/4-Inch Male NPT Threads is the answer for any home workshop or automotive garage looking to power just one more air tool. This connector is constructed of solid brass with has a durable silver and blue protective plating that is rust and corrosion resistant so condensation in water lines won’t cause premature failure of the tool adapter. The quick-disconnect end is sized to fit 1/4-inch plugs in the MP, AP, and TP series. The threaded 1/4-inch MPT end threads easily into fittings and connectors for fast and simple setup. To make installation easier, the outer body of the plug has a hex shaped section so it can be easily tightened into tools with any adjustable wrench or an appropriately sized combination or end wrench.