uxcell A/C R134a Quick Coupler Adapter Automotive High Low Side Tool Product Name : Quick Coupler;Type : High Side/ Low Side Fluid Applied : Air;Thread Diameter : 11mm/ 0.43" Overall Size : 52 x 25mm/ 2" x 1" (L*D);Color : Gold Tone, Silver Tone Material : Metal;Weight : 161g Package : 2 x Quick Coupler Set