The Squi.Jig Black & Yellow 7.5 inch Pro Square features easy-to-read, crisp laser marks and a quick-mark inner design to speed up your measurements. The patented wrench on the heel, exclusive to this model, fits 1/2" (13mm) and 9/16" (14mm) blades, while scribe notches securely hold your pencil for accurate marking. Weighing only 8 ounces, this durable tool is designed to reduce trim time and enhance efficiency for professionals demanding precision and reliability.