1. STURDY CONSTRUCTION: Our square wooden ruler features a robust structure made of quality aluminum alloy, resistant to deformation or bending, making it for longterm use. Built to last with its durable design and erosionresistant material. 2. MULTIPLE FUNCTIONS: Easily draw lines at various angles and lengths, and accurately mark 90 and 45 degrees using the multirow hole system for effortless woodworking. 3. WIDE APPLICATIONS: your woodworking, construction, decoration, and painting skills with our square woodworking ruler. Its precise craftsmanship and versatile design meet all measuring, marking, and drawing needs, making it an essential tool for professionals or DIY home decorators. 4. SPECIAL DESIGN: Equipped with storage holes for easy access and a leveling bubble for accurate measurements. The angle positioning pin and ergonomic handle ensure quick and convenient spacing and straightline positioning, ideal for woodworking enthusiasts.