High Quality - This angle gauge is made of high quality aluminum alloy, durable, stable, rust and wear resistant. Function: This multi-purpose angle measuring device can fix the angle through the metal button. It can be used to measure any angle accurately by fixing or loosening the screw. Improve Your Efficiency: You can fix the angle as needed and make a mark without cutting the paper templates. And you can also read the angle of the scale, which can help you cut wood or tiles directly without waste. Wide Use: Can be used for tiles, bricks, stone, wood, tiles and other materials Cut the required angle.