Item Type: Upgrade 3D Printer Kit Material: Aluminum alloy, stainless steel Package List 1 x Tube 6 x Spring 2 x PC4-M6 Connector 2 x PC4-M10 Connector 4 x Hand Screw Gear 2 x Buckle 1FOR BEGINNERS AND ENTHUSIASTS: This is a complete upgrade kit containing the most useful upgrades available for Creality printers. Bringing together the best products to make products for beginners and seasoned enthusiasts alike 2SIMPLE INSTALLATION: The kit is designed to provide the best possible performance without the need for complex installation or changes to the printer itself 3HEAT RESISTANT: PTFE tubing is high temperature resistant, which allows for more accurate feeding and retracting movements compared to regular PTFE tubing 4USEFUL AND PRACTICAL: This product will help improve print quality and make your 3D printer easier to use and adjust 5APPLICABLE MODELS: Excellent stainless steel fittings are durable and make the entire bed leveling process easier, compatible with for Ender 3, for 3 Pro, for 3 V2, for Ender 5, for 5 Plus, for Pro, for CR10, for CR10S, for 10S Pro, for CR 20