R-134A, 22, 404A, 410A 3 1/8" 1.6% Gauges & 5' Premium Hoses. Deep Vacuum series 2 valve pink anodized aluminum block body with ¼" SAE 45° fittings, Vortech® Deep Vacuum Valves, extra large sight glass, easy-to-read 3 ⅛" (80mm) Class 1.6 accuracy gauges, protective gauge boots, extra access port in center with Schrader® valve and hanging hook. MADE IN USA