Interstate Pneumatics CKA6 3/8" Automotive Coupler and Plug (CPA641 & CA640)

Interstate Pneumatics 3/8" Automotive Steel Couplers and Plugs are forged from tool steel for better durability while plugs are further heat treated and zinc plated to increase hardness and corrosion resistance. These couplers and plugs are interchangeable with the automotive (Tru-flate) standard series plugs and couplers produced by other manufacturers. Maximum operating pressure 300 PSI.