1 piece 1/4 " NPT quick coupler. 5 Piece 1/4 NPT Air Hose Compressor Quick Fittings. 1 piece 1/4 " NPT jack. 3 Piece 1/4 " NPT Male Quick Plug. Spring loaded quick couplings for use on the compressor side are equipped with a valve that shuts off the air when changing between the tools.
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