Expand Your Workspace: Upgrade your Genmitsu 4040-PRO or 4040-PRO MAX with this precision-engineered X-axis extension kit and expand your working area to X-600mm x Y-400mm Customize Your Upgrades: Combine it with the Y-axis extension kit and compatible spoilboards (not included) to reach a massive X-600mm x Y-600mm work area. Explore additional upgrade options on the product detail page to customize your machine. PRO MAX-Level Precision: It features the same SBR16 linear rails and Z-axis structure as the 4040-PRO MAX, offering ±0.005mm repeatable accuracy and smoother motion. For 4040-PRO users, it’s a major performance upgrade. For 4040-PRO MAX users, it expands your X-axis to 600mm, giving you even more room for larger and more complex projects. Dust Plate Integration: Protect your X-axis components and reduce cleanup time with the integrated dust plate, designed to block debris and extend the life of your machine. Quick and Easy Assembly: Follow the detailed user manual for a fast setup so that you can dive right into your next project without delay., Manufacturer: Genmitsu