Sturdy Material:The 3D measuring ruler is made of aluminum alloy, with lightweight, high hardness and comfortable to touch, and the length, width and height is 3.35inchx3.11inchx4.41inch3D design: It is composed of two measuring rulers with scales spliced into three dimensional measuring tool. The 3D multi angle protractor can be used for multiple purposes, measuring 45/90 degree angles, accurate measurement markScale Features:The scale is clear and wear resistant, easy to read, and helps to maintain the accuracy of the scale.The miter triangle ruler is easy to operate and reduce errors, accurately measureUseful scenarios: Suitable for DIYers, engineers, woodworking and home use. Suitable for round materials, square wood etcConvenient Package: a piece of high precision layout measuring ruler tool , which is useful for carpentry projects and small projects Specification: Material: Aluminum Alloy Size Chart: LxWxH:8.5cmx7.9cmx11.2cm/3.35inchx3.11inchx4.41inch Package Includes: 1 piece of Three-Dimensional Multi-Angle Measuring Ruler Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!