Usage Tips: 1. The product is made using sheet metal technology with black sandblasted oxidation finish, resistant to scratches and featuring a sleek appearance. Includes brass screw nuts. 2. Designed to match the exact dimensions of the NDER-3, ENDER-3V2, and Ender-3 Pro machine sheet metal parts. 3. This sheet metal component is intended for upgrading the printer's dual Z-axis or replacing existing sheet metal parts. 4. Compatible with dual Z-axis printer upgrades; fits NDER-3, ENDER-3V2, and Ender-3 Pro models. Color: Black, Silver Material: Metal Package Contents: 1 x Fixed Plate 1 x Belt 1 x Adjustment Block 2 x Screw Holders 2 x Screw Rods (approximately 380mm in length) 1 Set of Accessories Note: The package includes only the items listed above. Other products are not included. Lighting and display settings may cause slight variations between the color shown in the image and the actual product. Measurement tolerance is +/- 13 cm.