Product Basic Information: Name: 7 inch 45 degree angle ruler Material: Aluminum alloy Weight: Black: 235g Black, Blue: 7 inch metric Measurement accuracy: 0.1 Package contents: 1 x Carpenter's Triangle Ruler Advantages: 1, Lightweight and practical 2, Accurate scale 3, Strong and robust 4, Good oxidation resistance Woodworking Ruler Measurement Features: 1, Speed Square is made of aluminum alloy, it is corrosion resistant and durable and not easy to break. The woodworking measuring ruler has a clear stamping scale and accurate data. 2, Easy to work, save time and effort, easy to use, comfortable to hold. 3, Humanity design, beautiful appearance, every corner of the ruler has been specially polished, smooth and does not hurt your hand. Product Description: Premium material: The 7 inch triangle is made of high quality aluminum alloy with a matte black finish to prevent glare. Corrosion resistant and durable. Good oxidation resistance. Not easy to break. Clear and accurate scaling: The aluminum triangle ruler is equipped with a solid cast aluminum body with clear and accurate scaling common for woodworking. Good oxidation resistance! User-friendly design, exquisite workmanship and long service life. Widely used: The metric triangle ruler can be used as a protractor, miter angle, line saw guide, frame angle and ruler, and is mainly used in the woodworking and decoration industry, home improvement etc. Product features: All aluminum alloy, clear stamping scale, accurate data Product use: Angle measurement, mainly used in the woodworking and decoration industry, home improvement etc. 7 inch woodworking metric ruler aluminum alloy thickened 90 degree triangle ruler for carpenters