Material: The ruler body is made of steel, and the angle frame is made of aluminum alloy, which is durable and has a long service life Kit specifications: ruler measuring range 0-300mm, angle frame height 115mm, with protractor, center point measuring instrument and line drawing needle Accurate scale: Laser scale on the ruler surface, numbers and scales are clear, 2mm thickened ruler body, not easy to wear Multi-purpose ruler: The angle frame is equipped with a self-adjusting nut, which can adjust and measure at will. It also has the functions of a protractor, center point measuring instrument and level gauge Widely used: Professional measuring tools, suitable for measuring angle, length, center of measuring circle, 45 standard angle, etc. Product description: Adjustable square made of stainless steel and alloy, durable, rust-proof and corrosion-resistant. Accurate scale and multiple uses will bring you a different measuring experience. Professional measuring tools, suitable for measuring angle, length, circle center measurement, 45 standard angle, etc. Accurate and durable square angle ruler set for woodworking, construction or other purposes. Specifications: Ruler Material: Stainless Steel. Angle Frame Material: Alloy. Measuring Length: 0-300mm. Package Weight: 400g. Package Contents: 1 x 12" Combination Square. Tips: 1. The angle ruler set is a precision measuring tool with multiple functions and many parts, please keep it away from children. 2: Manual measurement of the kit, please allow us to have a little difference, if you have any questions, please contact us first. becomeveryrich