Features: 【Great Compatibility】: Specifically designed to separate quick connect fittings on 3/4" heater lines for GM Vehicles. 【Superior Material】: Made of high quality aluminum alloy. Sturdy, high strength and anti-corrosion for reliable, long-lasting service. 【Flexible & Easy to Use】: This 39190 Heater Hose Disconnect allows you to connect and release tubing easily and quickly. Hinge design allows tool to slide over heater hose, even in tight spaces. .