uxcell Brass 1/2"PT Male Thread 8mm Air Water Fuel Hose Barb Straight Adapter Product Name : Male Hose Barb;Design : Straight Barb End Outside Diameter : 8mm/5/16";Male Thread Size : 1/2"PT Overall Size : 33 x 20 x 17mm / 1.4" x 0.8" x 0.7"(L*Max.Outside D*Inner D);Material : Brass Color : Gold Tone;Weight : 7g Package Content : 1 x Male Hose Barb