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 cutter [No Drill Installation]:Featuring a no drill installation design,this base guide protects your work surface from damage while significantly speeding up the setup process [Bidirectional 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 security [Versatile 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 Specifications: Material:ABS plastic Size: Length x Widthx Thickness:29.5cmx4cmx2.9cm/11.61inch x 1.57inch x 1.14inch Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement. Package included: 1 Adjustable Cutting Machine Base Guide