Check the listing for details. 5 PACK HIGH FLOW STEEL 3/8" AIR QUICK COUPLER CONNECTOR DISCONNECT AD81. Condition: New. Listed at 11.47 USD. BRAND NEW !!! 5 PACK 3/8" AIR QUICK COUPLER & FITTINGS MADE FROM INDUSTRAIL GRADE STEEL.... NOT BRASS COMPATIBLE WITH INDUSTRIAL / MILTON INTERCHANGE THESE HIGH QUALITY COUPLERS ARE MADE OF YELLOW ZINC DICHROMATE-PLATED STEEL. STEEL COUPLERS ARE MUCH MORE DURABLE THAN BRASS COUPLER FITTINGS. BRASS IS A MUCH SOFTER METAL, THEREFORE BRASS COUPLERS CANNOT WITHSTAND THE ABUSE THAT STEEL COUPLERS CAN. KIT INCLUDES: (1) 3/8" MALE NPT QUICK COUPLER DISCONNECT (1) 3/8" FEMALE NPT CONNECTOR (3) 3/8" MALE NPT CONNECTORSBRAND NEW !!! 5 PACK 3/8" AIR QUICK COUPLER & FITTINGS MADE FROM INDUSTRAIL GRADE STEEL.... NOT BRASS COMPATIBLE WITH INDUSTRIAL / MILTON INTERCHANGE THESE HIGH QUALITY COUPLERS ARE MADE OF YELLOW ZINC DICHROMATE-PLATED STEEL. STEEL COUPLERS ARE MUCH MORE DURABLE THAN BRASS COUPLER FITTINGS. BRASS IS A MUCH SOFTER METAL, THEREFORE BRASS COUPLERS CANNOT WITHSTAND THE ABUSE THAT STEEL COUPLERS CAN. KIT INCLUDES: (1) 3/8" MALE NPT QUICK COUPLER DISCONNECT (1) 3/8" FEMALE NPT CONNECTOR (3) 3/8" MALE NPT CONNECTORS