This ruler is highly portable and versatile, making it an essential tool for on the go measuring and marking in any workspaces The aluminum alloy multi angles levels ruler precise angles markings at 15°, 30°, 45°, 60°, and 90°, with a rotating knob for easy and secure positioning to ensures accurate measurements every time Perfect for carpentry, construction, or home improvement tasks where you need to angles on wooden surfaces, ensures levels installations, or create accurate layouts without movement Featuring a high precisions levels bubble for clear visibility and accurate leveling, along with a positioning marker and limit marker to slippage during marking, this tool is crafted from lightweight aluminum alloy for long lasting use Ideal for enthusiasts, woodworking professional, and craftsmen who demand tools for precise angles and levels measurements in their projects, Manufacturer: Whoasyst