Description: Material: T Shaped Wood Workings Scriber is made of sturdy aluminum alloy, which is not easy to deform Can be used for a long time Multifunctional design: Wood Workings Multifunctional Ruler combines marking, measuring, grooving, other functions into 1 to meet a variety of wood workings needs Sliding T shaped ruler: Marking Measuring Gauge can slide smoothly along the guide rail, making it convenient for marking measurement Convenient Clear scale: Marking Ruler uses etching technology, the scale is clear accurate, easy to read Improve work efficiency Ergonomic design: The hle of Slide Ruler conforms to ergonomic principles is comfortable to use Bringing you a more comfortable experience Specification: Material: Aluminum Alloy Size Chart: 22 9cmx9cm/9 02inchx3 54inch Package Includes: 1T Shaped Wood Workings Scriber Note: Please allow slightly errors 1-2cm differences due to manual measurement