HYDRAULIC QUICK CONNECTOR EURO THREAD 1/4' CODE SKRAW MET: [2189] Manufacturer: SM-G (SKRAW MET GROUP) Application: Quick connectors are used to quickly connect and disconnect individual hydraulic lines, without the risk of leaks and dirt getting into the system.< p>Very helpful when repeatedly connecting and disconnecting various machines and devices powered by one hydraulic drive, e.g. a tractor.ONLY PLUGS OF THE SAME SIZE FITT THE SOCKETS Specification: Quick connector type: mini euro ISO standardType of quick connector: socketThread type: internal - inchMaterial: galvanized steel