High Quality Track Saw Square Guide: 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. long lasting. Thus, 90 angle engraving needs are met when cutting, planing, grinding thinner materials, gluing and welding. Precise & Time Saving & Simple Operation: Easy connection with Track rail clamp, precise and repeatable 90-degree cuts, easy installation, no excessive operation, suitable for woodworking enthusiasts, furniture assemblers or professionals. The time required to engrave the entire sheet at a 90 angle can be reduced. Compatible: This circular saw rail angle stop is compatible with electric circular saw engravers. Size: 34x8.8cm woodworking 90-degree right-angle guide rail, high-precision woodworking tools. For DIY woodworking, when cutting, planing, grinding thinner materials, it is fully self-aligning and fastened to the rails with the quick clamping lever. New Open Guide Saw Auxiliary Rail: Small, easy to carry, does not take up space. Easy to use, it is a good helper for your work