🔧 Elevate Your Craftsmanship with Precision! Made from high-quality carbon steel, resistant to rust. Lightweight design makes it easy to carry on any job site. Crafted for accuracy with 1/16-inch and mm graduations. Bright white markings on a sleek black background for easy reading. Perfect for carpentry, roofing, and layout designs. 20cm x 30cm size 1/16-inch & mm graduations Carbon steel durability The Mr. Pen Carpenter Square is a high-quality framing ruler measuring 20cm x 30cm, designed for precision in carpentry and construction. With both imperial and metric units, easy-to-read markings, and a durable carbon steel construction, this tool is perfect for professionals seeking accuracy and reliability in their work.