TWO TREES All Metal Feeder Extruder Frame and 4PCS Hand Twist Leveling Nut 4PCS Silicone Columns with 4PCS Heated Bed Springs for Creality Ender-3/Ender-3 Pro/ CR-10 Series 3D Printer Parts & Accessories Upgraded 🔝Widely compatible with Ender 3/3 , Ender 5/ 5 , CR-10, CR-10 V2, CR-10 V3,CR-10 Max, CR 10, CR-10 , CR-10S, CR 10S , CR 10S V2, CR-10 Plus. Make the hot bed become more stable. 🔝Easy to install and remove. These small upgrades and helped improve your print quality a lot. 🔝The hand twists are made of premium metal material, durable and sturdy. 4pcs hand leveling nut, 4pcs hot bed springs, 4pcs heatbed silicone leveling column mounts and 1pc extruder kit. 🔝Large size leveling metal nuts will make it easier to level printing platforms. Specification: Spring Length: 25mm Silicone Leveling Column Mount: 4mmx16mm(IDxOD), Height: 18mm Package Size: 18x12x3.5cm/7x4.7x1.3in Compatible Model: Ender 3/3 , Ender 5/ 5 , CR-10, CR-10 V2, CR-10 V3,CR-10 Max, CR 10, CR-10 , CR-10S, CR 10S , CR 10S V2, CR-10 Plus Spring Outside Diameter: 10mm Screw Nut Diameter: About 60mm Package Weight: 210g/7.4oz Packing List: 4 x Spring 4 x Hand Leveling Nut 4 x Heatbed Silicone Leveling Column Mount 1 x Extruder Frame Kit