1. The product is made of sheet metal technology and black sandblasted oxidation, not easy to scratch, beautiful appearance! Matched with high-quality brass screw nuts.2. It is exactly the same size as the original NDER-3, -3V2, -3 Pro machine sheet metal parts.3. This sheet metal part is used to upgrade the machine's dual Z axis or replace the original sheet metal.4. Applicable: Dual Z-axis printer upgrade, fit to NDER-3, -3V2, -3 Pro.Color: black, silverMaterial: metalPackage Contents:1 x fixed plate1 x belt1 x adjustment block2 x screw holders2 x screw rods (about 380mm long)1 set of accessoriesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.