CNC Machining: The guide rail square is crafted with CNC to ensure a great 90 degree angle every time. This allows for quick and accurate cuts with your track saw, enhancing efficiency by enabling installation at both the front and back of the trackEssential Tool for Track Saws: Eliminate the need for marking lines when cutting with the track saw square. Simply attach it to your track saw setup to achieve accurate 90 degree cuts faster, saving time on every projectWide Compatibility: This Right Angle Circular Saw Guide Rail is easy to install. Just loosen the brass nuts, slide the insert into place on your track saw rail, lock it in position, and secure the clamp for accurate cuttingEnhanced Stability and Precision: Featuring parallel edge supports, this right angle guide ensures more stable and accurate cuts. The edges support makes using this accessory easier and more reliable during operationSturdy Construction: Made from sturdy metal materials, this Right Angle Circular Saw Guide Rail measures 26cmx8.8cm Specification: Material: Metal Color: Black Size Chart: 26cmx8.8cm/10.24inchx3.46inch Package Includes: 1Track Saw Square 2 Screws 2Brass Locking Screws 1Guide Block Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.