[Durable Construction]This 90 degree angle clamp is made of high quality aluminum alloy, solid structure to ensure long service life Its anodized surface enhances durability, while clear, easy-to-read markings facilitate precise measurements for woodworking projects. [Precision Clamp]This clamp is designed to hold a perfect 90 degree angle, perfect for woodworking, ensuring precise alignment Whether gluing or applying fasteners, the clamp's gentle grip protects materials from damage, making it a reliable addition to your tool kit. [Multi-purpose Use]This professional-grade tool is perfect for making boxes, picture frames, and cabinets. Its ability to assist in squaring during the gluing process makes it an indispensable tool for professional carpenters and DIY enthusiasts. [User-Friendly Design]With its simple structure and artistic appearance, this square ruler not only meets strict quality control standards, but is also very easy to use, suitable for both novice and experienced craftsmen. Specification:A:Imperial Scale/B:Metric Scale Colour:As Shown Material:Aluminum Alloy<br><br>Package Contents: 1 x 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.