Adjustable Tool Base Rail: Compatible for selected 4-6 inch cutting machines models, offering versatility for various applicationsMaximum Clamping Capacity: This cutting machine base guide rail ensures a stable and reliable cutting experience with a maximum clamping length 23 cm Precision Circular Saw Guide: Cutting Guide designed for precision cutting and milling tasks, suitable for 4-6 inch cutting machines and marble cutting machinesAdjustable Distance Feature: Easily adjust the distance from the edge to achieve ideal positioning based on different cutting needsEasy Installation: Adjustable Cutting Machine Base Guide is easy to use while significantly speeding up the setup process, providing extra stability. The installation and adjustment process is straightforward and user friendly Specification: Material: PP Size Chart: 31.6cmx4cm/12.44inchx1.57inch Package Includes: 1 Adjustable Cutting Machine Base Guide Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.