📐 Elevate Your Craft with Precision! Transparent plastic for unobstructed visibility and easy measurement. Bold black ink ensures quick and easy reading of measurements. Includes 3 T squares, perfect for collaborative projects or personal use. Ideal for architects, engineers, and artists seeking perfection. Crafted for accuracy with 16th inch and 1mm graduations. 12-inch precision 3-pack value Clear visibility The Mr. Pen 12 Inches Plastic T Square set includes three transparent T rulers, designed for accuracy and ease of use. Each ruler features both inch and centimeter measurements, marked in high contrast black ink for quick reference. Perfect for professionals in architecture, engineering, and art, this durable set is a must-have for anyone serious about their craft.