This service hose and gauge set from Weitron is an essential tool for anyone working with automotive air conditioning systems. The set includes a single hose and gauge, both designed to work specifically with the R-1234yf refrigerant. The brand is trusted by professionals in the industry for their high-quality products. This package quantity is for a single set, making it easy to purchase just what you need without any extra hassle. Use this set to easily check and refill your vehicle's air conditioning system without any worries.