Primefit AK1001-2 1/4-Inch ARO Steel Coupler Set with Male Plug, 2-Piece Professional grade, 1/4-inch quick connect coupler Compatible with ARO, "A" and Amble "B" style plugs and couplers Zinc-plated steel features high corrosion resistance, long life and smooth operation 1/4-inch body with 1/4-inch female NPT coupler and 1/4-inch male NPT plug Comes with a 1-year limited warranty