uxcell Plastic Grip Knob R134 Refrigerant Can Tap Valve Opener Red Product Name : Can Tap Valve;Side Thread Diameter : 10.5mm / 0.41" Bottom Thread Diameter : Inner: 12.5mm / 0.49";Outside: 17mm / 0.67" : Outside: 17mm / 0.67" Total Size : 4 x 7cm/ 1.6" x 2.7"(D * H);Material : Metal , Plastic Color : Red, Gold Tone;Weight : 71g Package : 1 x Can Tap Valve