Metric Triangle Ruler Aluminum Alloy Professional Protractor Carpenter Square High Precision Measuring Tool for Carpenter Engineer Roofer<br> Top Quality - Made from aluminum alloy with antioxidant coating, corrosion resistant and durable.<br> High Precision - protractor scale 0-90 ° with easy-to-read numbers and continuous permanent scale. Higher digital clarity and precision.<br> Multifunction - 1. Use for angle measurements 2. Use thick edges as a saw guide for cutting. Protractors can be used with square saws for cross cutting or diagonal cutting.<br> Multipurpose - Ideal for all construction projects. It is also useful for amateurs, builders, manufacturers, home improvement and artists.<br> Colour: Black<br> Size: 180*180mm<br> Quantity: 1pc<br> Kind tips:<br> 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.<br> 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding.<br> 3. Only the above package contents, excluding other products.<br>