Elevate your toolbox with the Performance Tool W485 3-piece Pocket Precision Reference Cards. These compact cards fit effortlessly in your wallet or pocket. Crafted from durable plastic with a protective coating, their longevity ensures years of reliable use. Each card is meticulously designed with essential measurement and reference data. Card (1) provides a comprehensive wire gauge, nail gauge, hole gauges, and pipe diameter gauge. Card (2) incorporates practical SAE and MET rulers, an angle gauge, radius gauge, circle compass, and drafting shapes. Card (3) empowers you with angle formulas, geometric formulas, and a comprehensive conversion chart covering speed, temperature, distance, power, weight, and more. Whether you're a seasoned professional or a DIY enthusiast, these pocket-sized tools will enhance your precision and efficiency on every project.