The anodized aluminum alloy surfaces ensures durability, while etcheds scale and hole punched markers enable accurate 45°and 90°angles layouts across various materials This 2 in 1 combination triangle ruler features extended length design and multiangle measuring capabilities, crafted from durability aluminum alloy for woodworking and construction applications Perfect for marking cutting lines on large wood slabs, aligning metal components in fabrication shops, or creating angles in architectural blueprints Ideal for woodworkers, enthusiasts, and construction professional requiring reliability measurement tool for detailed projects Engineered with reinforced edges and antislip grip, this multifunctional ruler maintains calibration integrity even during heavy duty industrial use, Manufacturer: Xjdzineq