Multi-Functional Design: This tool is perfect for a wide range of construction and home improvement projects. It features a folding mechanism that allows for easy storage and portability. Measurement: Achieve accurate and reliable measurements with the polygon gauge. Ideal for woodworking, pipe fitting, and constructing stairs or corners. Extendable Features: Adapt to various project sizes with the extendable functionality, making it a versatile choice for professionals and DIY enthusiasts alike. Construction: Built to last, this tool is made from materials, ensuring long-term durability and performance in tough working conditions. Color: Black & Red Material: Cast Aluminum + Plastic Package Contents: 1*folding level ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.