uxcell Screw On Design Can Tap Valve Bottle Opener for R12 Refrigerant Product Name : Can Tap Valve;Material : Metal, Plastic Side Thread Diameter : 11mm / 0.43";Bottom Thread Diameter : Inner: 11mm / 0.43" Outer: 17.5mm / 0.69" : Outer: 17.5mm / 0.69";Total Size : 70 x 40mm / 2.75" x 1.57" (H*W) Color : Green, Gold Tone;Weight : 88g Package : 1 x Can Tap Valve