uxcell 5 Pcs 1/4"PT Female Thread to 8mm Air Hose Barb Brass Straight Coupler Fitting Product Name : Female Hose Barb;Design : Straight Barb End Outside Diameter : 8mm/5/16";Female Thread Size : 1/4"PT Overall Size : 30 x 17 x 7mm / 1.2" x 0.7" x 0.3"(L*Max.Outside D*Inner D);Material : Brass Color : Gold Tone;Weight : 46g Package Content : 5 x Female Hose Barb