Features: new and high quality Selected from aluminum alloy, it have strongers toughness, oxidation resistance and wear resistance than single metal. Not easy to break, scratch and deform. This enables 90 angle engraving needs when cutting, planing, gluing Accurate and repeatable 90-degree cut with guide rails without any re-adjustment can reduce the time takes to engrave an entire sheet at a 90 angle. Easy to install and remove, it can be installed in just a few steps without too many complicated steps. Whether you're working in a wood factory or tackling a DIY project, this milling guide offer a safe and efficient cutting experience. Specifications: Material:Metal Size:Approx.260x88mm/10.23x3.46inch Package Includes: 1 Set Circular Saw Guide note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.