uxcell 5 Pcs 1/2"PT Male Thread to 8mm Hose Barb Brass Straight Coupling Fitting Product Name : Male Hose Barb;Design : Straight Barb End Outside Diameter : 8mm/5/16";Male Thread Size : 1/2"PT Overall Size : 39 x 23 x 5.5mm / 1.5" x 0.9" x 0.2"(L*Max.Outside D*Inner D);Material : Brass Color : Gold Tone;Weight : 112g Package Content : 5 x Male Hose Barb