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