Sturdy: Heavy duty cast aluminum body, with clear and accurate scale, convenient to read the value. Accurate scale: They can be used as a precise saw guide, protractor and tri-square, 90 and 45 square .For Angle Measurements - Use as a saw guide for angle measurements and cuts. Used for: making precise right angles and as a cutting and drawing guide - Has preset measurements. Useful for: also useful for hobbyists, home builders, makers, DIY enthusiasts. Features: Square includes ruler handy 7" with clear markings for quick measuring and scribing. They can be used as an accurate saw guide, protractor and 90 and 45 miter square. Ideal for all construction and remodeling projects. Construction sturdy die-cast aluminum. Essential carpenter's tool for framing, roofing, fishing and more. Used for making precise right angles and as a cutting and drafting guide - Features preset measurements. Tri-square, square meter, protractor , line scriber and saw guide all in one tool. Also useful for hobbyists, home builders, fabricators, artists. Material: Aluminum Alloy.Measurement Range: 17.8 cm.Dimensions of square ruler: about 18 x 18 x 25 cm.Color of square ruler: silver, as the picture.Package weight: 119g.Contents:1 x Right Angle Triangular Ruler Note: The data are all manual measurement, please allow 1-3cm error, due to the light and display difference, there will be some color difference, depending on the physical item received.