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 Content: 1 x Carpenter Triangle Ruler Advantages: 1, Lightweight and practical 2, Accurate scale 3, Strong and sturdy 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 punching scale and accurate data. 2, easy to work, save your time and effort, easy to use, convenient to hold. 3, human design, beautiful appearance, each corner of the ruler has been specially polished, smooth and does not hurt your hand. Product Description: Premium Material: The 7 inch triangle square 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: