1、[Versatile Tool] This woodworking T square combines the function of a measuring scribing ruler and an angle finder, satisfying all your woodworking needs in one tool. 2、[Aluminum Alloy Made] Constructed from CNC machined anodized aluminum alloy, this T square ruler is rust and corrosion prevention, features a smoothly surface that is comfortable to hold. 3、[Clear Scale] The scribing ruler is engraved with clear and precise scales that are resistant to wear, ensuring easy readability and long lasting accuracy. 4、[Ergonomic Design] Designed with ergonomic principles in mind, this angle finder ruler reduces pressure on your elbow or wrist, making it comfortable and easy to use. 5、[Enhanced Accuracy] The edges of this ruler are crafted with a 25° bevel, reducing parallax and improving measurement and marking accuracy.