Feature: 1. ALUMINIUM ALLOY: The woodworking ruler is forged with thickened aluminum alloy and precise machining to ensure high strength and good oxidation resistance. 2. MULTIPLE FUNCTION: Combining 3D multi angle ruler, T shape scriber, square ruler, protractor, and dovetail tenon to meet various measuring and marking needs. 3. APPLICABLE RANGE: This woodworking ruler supports 10‑90 degree scribing, with 30°, 45°, and 60 ° fixed angles, suitable for different processing situations. 4. DOVETAIL TENONS: With 2 specifications of dovetail tenon templates, used according to needs, two pieces design, supports right angle scribing at any place. 5. DETACHABLE DESIGN: Equipped with a wrench, the woodworking combination ruler is detachable design, which can be used alone or in any combination. Specification: Item Type: Woodworking Measuring Ruler Material: Aluminum Alloy Thickness: Approx. 7mm / 0.3in Application: Used for woodworking tools. Package List: 1 x Woodworking Ruler1 x Wrench