Features: Precise engineered 90 degree carpenter square crafted bakelite ensures accurate measurements every time, ideal for woodworking and construction professional requiring reliabled right angled verification. Bakelite construction offer exceptionally resistance to wear, impacts, and warping, outperforming traditional wooden squares in jobs site conditions. Essential for carpentry, engineers, and DIYer enthusiasts needing multi functional tools for precise marking, cutting alignment, and layout tasks in professional workshops or home projects. Optimized for construction site, woodworking shops, and outdoor installations where durability measurement tools must withstand frequent handling and harsh environments. Delivering professional accuracy while supporting sustainable craftsmanship practices across industries. Specifications: Component: Bakelite board Size: Approx.20x20cm/7.87x7.87inch Size: Approx.33x33cm/12.99x12.99inch Package Includes: 1pcs 90 Degree Triangular Ruler note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.