1*Upgrade silver metal bowden extruder. The extruder drive upgrade can resolve the under extrusion problem.It's more stable and durable.This full metal aluminum alloy extruder kit suitable for almost all Creality's 3D Printers except CR-X and CR-10S Pro.
4*Upgraded aluminum big hand twist leveling nut for hot bed makes the hot bed becomes more stable, more easy to leveling. More durable and has a longer life than the plastic one in the printer.This red aluminum nuts are original upgraded replacement part for Ender 3/3 Pro/3 X, Ender 5/5 Plus/ 5 Pro, CR-10, CR-10 V2, CR-10 Max, CR 10, CR-10 Mini, CR-10S, CR 10S Pro,CR-10 Plus, CR-X, CR 20.
4*Upgraded bed-level springs for more stiff and accurate bed leveling.The die springs are stiffer than ordinary spring, which help your 3D printer much more stable while printing.compatible with most 3D Printer Bed, great for Creality CR-10 10S S4 Ender 3 Heatbed Springs Bottom Connect Leveling
Packge include: 1pcs extruder kit, 4pcs metal bed leveling nut, 4pcs hot bed spring compression . Note：there are many small parts in the package, for safety, please keep them away from children
No risk purchase.If for any reason you unsatisfied with the quality of our product, you can contact us with your complaints, we will reply in 24hours