Material and build - CNC machined aluminum alloy construction provides accuracy while remaining light and convenient for in-work use. Scale and accuracy - Permanently engraved scale for long-lasting readability. - Scale offers precision beyond standard accuracy, with an angle conversion table to help you select the correct unit quickly. Finish and readability - Frosted surface is smooth and wear-resistant. - The scale on the ruler remains clear for easy reading during use. Versatility and applications - Suitable for general measurement work and can be used as a protractor, a woodworking compass, and for making triangles, squares, and frames. Use scenarios - Protractor and angle transfer: Ideal for furniture or cabinet projects where accurate angle layout and transfer are required. - Layout of triangles, squares, and frames: Helps in marking precise shapes for joints, templates, and framing work. - Template and piece transfer: Use to transfer measurements to workpieces or guides, or to draw arcs and circles with the woodworking compass function. Key attributes at a glance - Material: Aluminum alloy - Process: CNC machined for accuracy - Finish: Frosted, wear-resistant - Scale: Permanently engraved, clear and precise - Tools integration: Includes angle conversion table for unit accuracy - Functions: Protractor, woodworking compass, triangle/square/frame layout and creation