Feature: 1. [Three in One Design] With functions such as measurement, calibration, and marking, suitable for any three dimensional object, such as wood, marble, metal pipes, etc. 2. [Locating Pin] With positioning pin, this woodworking square can slide tightly against the wooden block, ensuring stability and accuracy for your woodworking project. 3. [Multi Angle Drawing] The positioning pin can be easily disassembled and repositioned, ensuring easy drawing of different angles. 4. [Aluminum Alloy Made] This 3D multi angle measuring ruler is made of premium aluminum alloy, which is sturdy, lightweight, and highly stable. 5. [Clear Scale] The woodworking square protractor adopts advanced carving technology, offering clear metric scales that do not fade and are easy to read. Specification: Item Type: 3D Multi Angle Measuring Ruler Material: Aluminum Alloy Feature: Green, Metric System. Package List: 1 x Woodworking Square 1 x Square Ruler 1 x Positioning Pin 1 x Wrench 2 x Screws