Aluminum alloy metric Imperial 7 inch 12 inch right angle triangle ruler triangle ruler set woodwork triangle ruler multifunction thickened aluminum profile 45 degree angle 30 cm aluminum triangle ruler woodworking 1. Triangle ruler, protractor, protractor, scriber and sawtooth guide all in one tool. 2. Tools suitable for framing, roofing, construction and renovation projects. 3. Edge edges are firm and made of strong aluminum. 4. Metric and Imperial . 5Sturdy cast aluminum valve body with clear relief royal scale and common common sub conversion table. 6. Protractor scale with 0-90 , metric and imperial. 7.Saw blade guide for angle measurement and cutting, very suitable for all construction and retrofit projects. 8. Also useful for amateurs, home builders, manufacturers, DIYers and artists. Clear scale, small and exquisite, surface treatment, humanized design 9. Each thickened, corrosion-resistant, high hardness, durable 10. The scale on the surface of the ruler body is clear, wear-resistant, does not fade, and has a long service life. 11. Each ruler of the triangle ruler and each corner of the ruler are polished by a special process, which is smooth and does not hurt your hands, and is beautiful Specifications: l Type: Triangle Ruler l Measuring range: 0-300mm l Measurement accuracy: 0.001 l Scope of application: woodworking construction industry l Material: aluminum alloy l Size: 7 inche 12 inche l Scale value: 0.5mm l Resolution value: 0.5mm l Specifications: Metric l Colour:blue