Coupler and Plug Kit (7 Piece), Industrial Type D, 1/4 Inch NPT, Solid Brass Quick Connect Air Hose Fittings Set, with sealant

Industrial Type: Suitable for Industrial, M or D type couplers, interchangeable compatible with most manufacturers, 1/4 Inch NPT, 4 Ball Material: High quality brass durable and non rusting is more wear resistant than aluminum Application: Use on professional jobsites, in automotive shops or at home in the garage, and common use to air fitting kit for air tools, air compressor, air nailer, air blow gun, pressure washer, air hose Size: Quick and easy connect system, optimal sealing and high efficiency,1/4 npt thread, 1/4 inch basic body size Max Pressure: 300 psi