High Quality: Made of CNC milled aluminum alloy, it has stronger toughness, oxidation resistance and wear resistance than single metal. Not easy to break, scratch and deform. lasting. This enables 90 angle engraving needs when cutting, planing, grinding thinner materials, gluing and welding. High Precision: Accurate and repeatable 90-degree cuts with guide rails without any re-adjustment can reduce the time it takes to engrave an entire sheet at a 90 angle. Dimensions: Available in 2 sizes, the small right angle rail measures 260mm/10.24" long, 88mm/3.46" wide, 8mm/0.31" thick. The large right-angle guide rail measures 360mm/14.2 inches long, 150mm/6 inches wide, and 10mm/0.4 inches thick. Easy Installation: For DIY woodworking, when cutting, planing, grinding thinner materials, it is fully self-aligning and fastened to the track with a quick-clamp rod. Easy to install and remove, it can be installed in just a few steps without too many complicated steps. Compatibility: This track saw square rail is compatible with fetool and makita rails. Material: Aluminum Alloy + Stainless Steel Color: Silver. Size: 260*88*8MM(10.2x3.5x0.3inch) Each weight: 480g Package Included:1x Track Saw Square.Items from Sheng Xinshun's shop