Features: The aluminum alloy multi angles levels ruler offer precise angles markings at 15°, 30°, 45°, 60°, and 90°, with a rotating knob for easy adjustment and secure positioning to ensures accurate measurements every time. Featuring a high precisions levels bubble for clear visibility and accurate leveling, along with a positioning marker and limit marker to prevent 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. Perfect for carpentry, construction, or home improvement tasks where you need to mark angles on wooden surfaces, ensures levels installations, or create accurate layouts without movement. This ruler is highly portable and versatile, making it an essential tool for on the go measuring and marking in any workspaces. Specifications: Component: Aluminum alloy Size: about.167x37x14mm/6.57x1.46x0.55in angles markings: 15°, 30°, 45°, 60° and 90° Package Includes: 1pc Scribing Protractor note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.