uxcell Gold Tone Brass 3/8" PT Thread Diameter Connector Nut Hex Rod Coupling Product Name : Hex Rod Coupling;Feature : All Threaded Material : Brass;Color : Gold Tone Female Thread Dia. : 16mm / 3/8" PT;Female Thread Length : 24mm / 0.9" Hex Size : 22 x 19mm / 0.87" x 0.7" (L*W);Net Weight : 23g Package Content : 1 x Hex Rod Coupling