Feature 1MODULAR DESIGN FOR EASY MODIFICATIONS: No firmware or wiring modifications required. Easy to upgrade and start printing immediately. 2LONG LIFESPAN: Made of high carbon chromium steel material, the support rod features strong wear resistance, low noise, even force distribution, and more durable. 3HIGH SPEED PRINTING: Linear motion characteristics with smoothly and low friction movement reduce energy loss and mechanical wear, allowing the 3D printer to print at higher speeds. 4HIGH ACCURACY PRINTING: High rigidity and stability linear guide rail maintains excellent accuracy during motion, reducing printing vibrations and improving print quality. 5APPLICABLE MODEL: The 3D printer supporting rod set is suitable for Neptune4, for Neptune4 Pro3, check the model for better fit!Item Type: 3D Printer Supporting Rod SetMaterial: High Carbon Chromium SteelApplicable Model: For Neptune4, for Neptune4 Pro .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List4 x Steel Tube4 x Metal Bracket2 x Wrench1 x Instruction Manual7 Bag x Accessory