uxcell 5 Pcs 3/8"PT Female Thread to 6mm Air Hose Barb Brass Straight Coupler Fitting Product Name : Female Hose Barb;Design : Straight Barb End Outside Diameter : 6mm/15/64";Female Thread Size : 3/8"PT Overall Size : 30 x 21 x 4.5mm / 1.2" x 0.81" x 0.2"(L*Max.Outside D*Inner D);Material : Brass Color : Gold Tone;Weight : 68g Package Content : 5 x Female Hose Barb