Fitting Type: CAP Material: BRASS Assembled Product Length: N/A Assembled Product Height: N/A Assembled Product Width: N/A . May be used with brass, steel, iron and aluminum threaded pipe • Applications: water, air, gas, oil and all liquid petroleum products • Hand tighten first then apply wrench • Dryseal threads assure leakproof connection • Forgings may be substitued for extrusions • 1/4"