Feature: 1. Circular Saw Guide Rail: Designed specifically for accurate cutting and milling tasks, this innovative clamp fixture is ideal for use with 4 inch dusty cutting machines and marble cutting machines. 2. Adjustable: Compatible with selected models of 5 to 6 inch dusty cutting machines, this guide offers versatility for a variety of applications. It securely locks cutting machine bases ranging from 145mm to 208mm, ensuring a stable and dependable cutting experience. 3. Adjustable Distance: The distance to the mount side can be easily adjusted, allowing for optimal position based on different cutting needs for enhanced accuracy. 4. Bi Directional Reverse Buckle: Features a bi directional back buckle, which prevents shifting during use, providing additional stability. Installation and adjustment processes are user friendly, making it convenient for users. 5. Material: Made from premium ABS material, this clamp is lightweight and portable, making it an ideal choice for both professionals and woodworking enthusiasts. Specification: Item Type: Cutting Machine Base Guide Material: ABS Weight: Approx. 163g / 5.7oz Product Size: Approx. 40x295x28mm / 1.57x11.61x1.10in. Package List: 1 x Cutting Machine Base Guide