Features Durable Aluminum Alloy: Crafted from high-quality aluminum alloy, this T square ruler offers excellent hardness and wear resistance for long-lasting use in woodworking and drafting projects. Precision-Crafted Surface: The CNC-finished surface of the scriber ruler is glossy, burr-free, and resistant to rust and deformation, ensuring smooth and accurate measurements. Detachable Backplate: The removable backplate, along with the included installation tools, such as wrench and screws, provides convenient customization and maintenance for the T type scriber ruler. Standard Scale Accuracy: Equipped with standard scale and screw holes, this ruler ensures precise 1mm accuracy, making it ideal for precise drawing and layout in carpentry and artistic projects. Versatile Application: This T square ruler is essential for layout and measurement in carpentry and artistic drawing, offering reliable performance for professional woodworking and drafting tasks. Precision Crafting with yunyi T Square Ruler Craft with confidence using our T square ruler. Made from durable aluminum alloy, it offers superior hardness and wear resistance, ensuring long-lasting use for your woodworking and drafting projects. Its CNC finished surface is burr-free and glossy, providing precision and preventing rust and deformation. The removable backplate equipped with installation tools ensures easy and convenient use. With standard scale and screw holes, achieving precise measurements of 1mm accuracy has never been easier. Whether in carpentry or artistic drawing, our T square ruler is the perfect tool for layout and measurement. Package List 1 x T Square Ruler 1 x Right Angle Handle 4 x Screws 1 x Hex Wrench