1Accuracy Cutting for Large Panels: Ideal accessory for accurately cutting wide panels and plywood, which are too large for table saws, making it suitable for large scale woodworking projects. 2Secure Clamping: Wide rubber clamping pad ensures tight non slip grip without leaving indentations, allowing easy adjustments to accommodate various project lengths. 3Ultimate Durability: Constructed from heavy duty extruded aluminum, providing hardness to resist bending and maintain straight edges, ensuring long lasting durability for repeated use. 4Compatible with Any Circular Saw: Straight cut guide is compatible with any brand of circular saw, not limited to use with circular saws, routers, and vertical saws. Easily extend length for large projects by adding NGX aluminum extension pieces(without). 5Versatile Usage: Suitable for a wide range of professional and individual woodworking applications, the circular saw straight edge guide delivers accuracy and efficiency in cutting large panels and plywood. 1 x Guide Rail