Tired of rounding off those expensive AN fittings with the wrong tool? This adjustable AN wrench is a game-changer for anyone working on fuel lines, oil coolers, or brake lines. Made from lightweight but strong black aluminum, this single wrench adjusts to fit AN fittings from size -3AN all the way up to -16AN. The 16mm size gives you great leverage. It's much gentler on your fittings than a standard open-end wrench and gets into tight spaces easily. Comes with a 1-year warranty. Whether you're building a race car, fixing up a project, or just doing some serious plumbing, this is a professional-grade tool that belongs in your box.