90 Degree Square Ruler Clear Markings Drafting Tool for Drawing Work

This aluminum alloy right angle ruler is a practical measuring tool for accurate layout and drawing tasks. Its CNC-machined construction gives it a refined metal finish and feel, suitable for projects where dependable straight references count. The L-shaped design combines a long gray section with a red crossbar, and engraved centimeter scale markings on both sections make measurements easy to follow at a glance. As a drafting tool and 90-degree ruler, it is designed for marking right angles, checking alignment, and supporting careful drawing work in a stable, straightforward way. Two visible metal screws hold the angle section together, adding a sturdy, mechanical look while supporting the structure. With a compact 170 x 85 mm size, this L-shaped drafting square ruler is convenient to use on desks, boards, and other work areas where controlled measuring and corner drafting are needed.