Vibrant Performance billet aluminum Quick Release Fittings are lightweight and constructed entirely from 6061 aluminum alloy. Vibrant Performance Quick Release Fittings allow for quick and easy disassembly by hand of any fluid related component with no mess or spillage. Our Quick Release Fittings are perfect for use on oil, coolant and fuel lines. All Vibrant Performance Quick Release Fittings are available in sizes ranging from -4AN to -12AN in anodized black finish.