Dedicated Design: Cutting Machine Base Guide is designed for cutting and milling tasks, suitable for use with 5-6 inch cutter and marble machinesselect modelsNo drilling Installation: Cutting Machine Base Guide adopts a no drilling installation design, which not only protects the work surface from damage, but also greatly speeds up the setup of the equipmentTwo way Reversing Buckle: Cutting Machine Base Guide is equipped with a two way reversing buckle to ensure that the base rail will not move during use, providing additional stabilityCompatibility: Circular Saw Milling Positioning Clamp is also suit for 4 inch cutter and can firmly lock the cutter base from 145 mm to 208 mmAdjustable Distance: Wood Cutting Guide provides adjustable distance settings, users can adjust as needed to adapt to different work needs Specification: Material:PP Size Chart: 295 mmx40 mmx28 mm/11.61 inchx1.57 inchx1.10 inch Package Includes: 1 Cutting Machine Base Guide Note: Please allow slightly errors 1-2cm differences due to manual measurement.