Description: Adjustable Design: This adjustable cutting machine base guide is specifically designed for cutting and milling tasks, making it ideal for select models of 5-6 inch cutting machines and marble cutterNo Drill Installation: Featuring a no drill installation design, this base guide protects your work surface from damage while significantly speeding up the setup processBidirectional Locking Mechanism: Equipped with a bidirectional reverse locking buckle is not easyto move mechanism, the base guide ensures stability by preventing movement during use, providing extra securityVersatile Compatibility: The circular saw milling positioning clamp is also compatible for 4-inch cutting machines, securely locking the machine base adjustable from 145mm to 210 mm (5.71 inch to 8.27 inch)Adjustable Distance Settings: The wood cutting guide rail offers adjustable distance settings, allowing users to tailor it to different work requirements as needed Specification: Material: ABS plastic Size Chart: Length x Widthx Thickness: 29.5cmx4cmx2.9cm/11.61inchx1.57inchx1.14inch Package Includes: 1 Adjustable Cutting Machine Base Guide Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.