21002 Tools Forged from chrome-molybdenum alloy steel

21002 Tools Forged from chrome molybdenum alloy steel Forged from chrome molybdenum alloy steel for maximum durability Low side service couplers with blue actuator connect to our special Enviro Guard hoses to allow access to service ports on automotive R 134a A C systems Quick connect design has an integral safety sleeve which protects against injury and refrigerant loss if the coupler is disconnected under pressure Compact design easily fits into tight quarters which is especially handy for retrofits Six ball couplers provide a more stable grip on the fitting than do couplers with four ballsThe Robinair 18190A R 134a low side service couplers with blue actuator connect to our special Enviro Guard hoses to allow access to service ports on automotive R 134a A C systems