Item Name: Parts M3 Nut Screws Leveling Spring Heated Bed Leveling KitFor Ender-3 CR-10. Description:100% Brand New And High QualitySize: As shownType: Heated Bed Leveling KitColor: SilverMaterial: MetalPackage Includes: 8 Set M3 Leveling NutsNotice:1.1cm=10mm=0.39inch.2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering.3.Please understand that colors may exist chromatic aberration as the different placement of pictures.