2 Pcs 4 Way Cross Shaped 12mm Tube Hose Barb Connector Pipe Fittings Product Name : Hose Barb;Material : Brass Color : Gold Tone;Connector External Diameter(Joint Pipe Bore) : 12mm / 0.47" Inner Diameter : 10mm / 0.4";Total Size : 5.6 x 5.6 x 1.2cm / 2.2" x 2.2" x 0.5"(L*W*T) Weight : 54g Package Content : 2 x Hose Barb