Hexagonal flat design for stable precise measurements The hexagonal flat design improves the stability and accuracy of the square ruler fixture, specifically designed for staircase design and quantification work, making measurements more precise and convenient. Multifunctional tool for rightangle work Not limited to stair quantification, the square ruler fixture can be used for a variety of rightangle measurements and layout tasks, improving work efficiency and suitable for different occasions and needs. Broad applicability across materials and layouts Suitable for stair beam layout and support beam layout, it can be easily set on any material, especially useful when working with wood and spaceconstrained areas. Durable, lightweight aluminum alloy construction Made of quality aluminum alloy, the fixture is durable and lightweight, ensuring longterm stability and reliable support for accurate measurement. Use scenarios Staircase design and quantification during installation or renovation projects. Rightangle measurement and layout in woodworking, cabinet making, and furniture assembly. Beams alignment and layout in structural framing or spacelimited installations on wood surfaces.