Female Thread Size: G1/4 (Approx. ID 11.5mm); Fit for Tube OD: 10mm / 0.31". Fitting connects to tubing on one end and has a G female thread on the other. Brass construction with rustproof, corrosion resistance, high temperature ductility and low magnetic permeability. Reducing adapter for converting G thread pipe to straight compression thread pipe. Use with copper, brass, aluminum, or plastic tubing. Widely used to connecting pipes or fittings of different types such as garden hose, water pipe, oil tube, fuel pipe, etc..
