SODIAL(R) Car A/C R134a Quick Coupler Adapter Automotive High Low Side Tool Product Name : AC Quick Coupler;Material : Metal Male Thread Diameter : 11mm / 0.43";Adapter Port Diameter : 13mm / 0.5" Total Size : 5.2 x 2.2cm / 2" x 0.9"(L*W*D);Color : Blue, Red, Brass Tone, Silver Tone Net Weight : 160g Package Content : 2 x AC Quick Coupler