Perfectly adapts to furniture assembly, home renovation, metalworking, and architectural drafting scenarios where multi angles verification and rapid layout marking are essential Its foldable L shape design with hanging hole combines portability and workspaces efficiency, while the 2mm thickened ruler body resists deformation during heavy duty use Crafted from premium aluminum alloy, this L shaped folding angles ruler precise 15° increment and 330° rotation for accurate angles measurement, marking, and layout tasks with clear scale ensuring long lasting clarities Features include a built in marking pin for storage, anti slip screw for edges alignment stability, and perforated guide holes enabling parallel / vertical line marking with millimeter levels precisions Ideal for professional like carpentry, engineers, and DIYer enthusiasts requiring measurement tools for workshop projects or outdoor construction applications, Manufacturer: Kaeltsyn