uxcell Blue Low Side Air Conditioning Port Quick Snap Coupler Connector R134a Product Name : Quick Coupler;Model : R134a Design : Low Side, Adjustable;Material : Metal Thread Dia. : 11mm/0.43";Adapter Port Diameter : 13mm / 0.51" Total Size : 7 x 4.5cm / 2.8" x 1.8"(L*H);Color : Blue, Silver Tone Net Weight : 177g;Package Content : 1 x Quick Coupler