Compatibility: The aluminum base is designed to work seamlessly with the 3018PROVer-V2 Y-Axis Extension Kit, expand your work area from 3018 to 3040 with ease New Joint Design: We use a 4mm sheet metal connector to attach the aluminum spoilboard to the polishing bar, which is different from the traditional installation method. With this design, you no longer have to worry about shortening your Z-axis travel, as it keeps the Y-axis travel area essentially constant. Pre-Drilled Holes: This spoilboard features pre-drilled holes, making it compatible with most clamping systems. It means you'll be able to quickly and easily secure your workpiece in place, saving you time and effort. High Quality: Made from durable aluminum alloy, this spoilboard is hardwearing and built to last. It's designed to withstand the rigors of CNC machining, so you can count on it to hold up over time. Great Stability: With its flatness and strength characteristics, it provides the perfect surface for all your cutting and milling needs. You'll enjoy stability and precision, even when working with large or heavy workpieces., Manufacturer: Genmitsu