This set of R134A condition (A/C) quick couplers allow you to attach the manifold hoses onto the automotive/car condition R134a system during the diagnosis, charging, or evacuation. Both connectors are included. Its design can effectively avoid injury and loss. Easy to install and use. with compact construction is a and rust-proof life. Features - ColorAssorted Color - Material: Copper. - Size: 5 x 5 x 3.5cm - Made by material, durable and provide . - Included couplers, easy to use and practical, make you use it more easily and conviently. - Sleeve can protect against injury and loss. - Coupler interface fits with R134 service ports, 1/4" SAE Adapter. - Quick and easy connect/disconnect with high flow rate. - Side fitting for A/C manifold gauge set (R-134A) type. - Adjustable core puller perfect fit the different core. - Warm Tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 x Blue Quick Coupler(Low side) 1 x Red Quick Coupler(High side) 1 x Core Remover tool