180 Degree Angle Combination Square Set, Combination Square, Universal Stainless Steel Right Angle Protractor Measuring Tools

General Description Made of high-quality stainless steel, this 180-degree combination angle square set is rust-resistant, durable, and robust. It is ideal for measuring inside and outside corners of workpieces, offering an accuracy of 5' (minute) / 0.08 degrees. Each scale line is laser-etched, ensuring optimal readability. The tool also features a beveled extension blade, a roller knob, and fine adjustment, making it convenient and easy to use. Technical Specifications Material: Stainless Steel Measuring Range: 0-180 degrees Accuracy: 5' / 0.08 degrees Package Weight: 1.358 kg Color: Green Compatibility and Accessories 1 x Universal Bevel Set 1 x Carrying Case Installation To calibrate the tool, ensure the calibration measurement is zero. Place the angle square on a straightedge, ensuring the bottom edge and base square are in contact with the straightedge without any gaps. Next, align the "0" line of the main scale. Usage: After adjusting the zero position by changing the position of the base scale, the angle square can be used to test any angle within the range of 0 to 180°. Other information