The Einhell threaded coupling is a solid brass connector designed for use with compressed air hoses. The coupling features a 3/8 inch internal thread. It stands out due to its finely crafted threads and excellent fit. Threaded couplings are used in the construction of compressed air hoses, for example as air extension lines, wall connections, or for central compressed air supply. Accessories for expanding compressed air systems, including hoses suitable for compressor applications, connectors, clamps, and more, are available as Einhell accessories for compressors.