quality stainless steel construction: Made from stainless steel with stamping and welding, this base is rustproof, wearresistant, resistant to deformation, and durable for longterm use. Flexible and adjustable design: The cutting base moves smoothly and can be extended from 0 to 29.52 inches, increasing flexibility for different board sizes and project requirements. Accurate cutting scale: Dualsided precise scales with quickpositioning knobs let you set and repeat cuts accurately, reducing miscuts and saving setup time. Wide compatibility: The porous base design supports mounting with most electric circular saws and cutters/trimmers, enabling a range of woodworking tasks without special adapters. Practical use scenarios: Ideal for cabinet installation and long rip cuts on shelves or panels, trim and finish work around doors or mouldings, and general DIY projects that require steady, repeatable cuts.