Versatile Adjustability: The UA-90341 features adjustable components that allow you to modify and extend both the horizontal and vertical lengths, providing a variety of measurement and usage options. Enjoy multiple variable combination modes for a more engaging working experiencePremium All Metal Construction: Crafted from metal, this T square ensures strength while maintaining a compact and lightweight design. Its construction promises long term use, making it an essential tool for model makingInnovative Adjustable Backrest Design: Equipped with an adjustable backrest spring mechanism, this ruler offers broader applicability across different surfaces, enhancing its versatility in various tasksCompact Dimensions: The product dimensions are thoughtfully designed with adjustable length ranging from 7.5cm~12.5cm/2.95inch~4.92inch and width from 9.9cm~11.9cm/3.90inch~4.69inch, catering to diverse project needs without compromising on portabilityComplete Package: Each set includes T square and hex screwdriver, ensuring you have everything needed for immediate use right out of the box Specification: Material: Metal Size Chart: Length Adjustable:7.5cm~12.5cm/2.95inch~4.92inch Width Adjustable:9.9cm~11.9cm/3.90inch~4.69inch Package Includes: 1 T Square Ruler 1 Hex Screwdriver Note: Please allow slightly errors due to manual measurement and different monitors.