Features: High Quality Material: Made of heavy-duty Aluminum Alloy, solid aluminum alloy construction for durability. Easy to Adjust: When in use, it can adjust to the required angel, tighten the nut positioning, press the middle adjustable lever to achieve precise positioning. Multipurpose: with adjustable-design, can be used as a-saw guide, bevel or protractor. Convenient to-hang and store when not in use. The edges and corners of each triangle are polished by-special craftsmanship, so that it is-smooth and does not hurt your hands. Suitable for determining and marking angles and making square cuts. Clear Scale: laser-scale, clear and wear-resistant. Specifications: Material:Stainless Steel Size:As Picture Shown Note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Triangle Ruler