Features: * Triangle ruler, protractor, protractor, stylus and sawtooth guide all in one tool. * Tools suitable for staff, roofing, construction and renovation work. * The edges of the edges are strong and made of strong aluminum. * Durable die-casting aluminum valve body with clear royal relief scale and common common sub conversion table. * Clear scale, small and exquisite, surface treatment, humanized design. * The scale on the surface of the ruler body is clear, wear-resistant, non-fading, and has a long service life. * Saw blade guide for angle measurement and cutting, very suitable for all construction and retrofit projects. * Also useful for amateurs, home builders, manufacturers, DIYers and artists. Specifications: Product Name: triangle ruler Material: aluminum alloy Color: red Measuring range: 0-300mm Measuring accuracy: 0.001 Scope of application: woodworking construction industry Optional types: 7" metric, 12" metric Scale value: 0.5mm Resolution value: 0.5mm Quantity: 1Pc Package included: 1 × triangle ruler Note: 1. Transition: 1cm=10mm=0.39 inch. 2. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.