uxcell 5 Pcs 1/2"PT Female Thread to 8mm Air Hose Barb Brass Straight Fitting Connector Product Name : Female Hose Barb;Design : Straight Barb End Outside Diameter : 8mm/5/16";Female Thread Size : 1/2"PT Overall Size : 40 x 26 x 5.5mm / 1.6" x 1" x 0.2"(L*Max.Outside D*Inner D);Material : Brass Color : Gold Tone;Weight : 130g Package Content : 5 x Female Hose Barb