Precise measuring tool: The measuring range of the woodworking ruler is 0-300mm, the numbers and lines of the double-sided ruler are laser engraved, the graduations are clear and precise, and there are millimeter graduations on both sides of the ruler, which can provide you with accurate measurement results. Quick level calibration: The woodworking ruler carries the level calibration bubble, which is very suitable for use on multi-angle shots. The bubble position can help you quickly calibrate the level line. The tool Included marker is ideal for marking and drawing on rough, sturdy surfaces, eliminating the need for a pencil. Adjustable design: The woodworking ruler is composed of a 300mm steel ruler and an adjustable square head. The body comes with a standard 90 degree angle and a 45 degree angle, which can be easily adjusted using thumbscrews. made of brass, sliding smoothly, saving measurement time. Holding for a long time will not cause pressure on your hands. High quality material: The ruler is made of stainless steel and the body is made of aluminum alloy, with high hardness, not easy to rust and wear, not easy to break, strong and durable. Widely used: The spirit level measuring tool is suitable for carpenters, engineers, craftsmen and other groups to make furniture, make models and architectural designs. Professional measuring tools are ideal for carpentry and renovation projects. Our service: we are committed to providing you with satisfactory service. If you have any questions, you can contact us at any time. We will reply to you within 24 hours and try our best to resolve the problem for you.