Updated Dual Gear Ender 3 Extruder, Dual Hardened Steel Drive Gear CR10S Pro Extruder Blue Compatible for Ender 3 V2, Ender 3 Pro,Ender 3 Max,Ender 5/CR10,3D Printer 1.75mm Filament Extruder,

【Hardened Steel Drive Gear】Latest upgraded CR10S PRO all metal double gear extruder is equipped with high precision cnc work hardened steel gears with nickel plated treatment. Gear curved teeth is round and leass beat,not harm the filament.Greatly improve the durability and reliability of extrusion gears.
【3pcs Ender 3 Springs,3 different extrusion pressure】3 different spring pressures meet most types of wire (hard or soft) feed requirements, paired with exclusive designed thumbscrews and spring adapters ,make it easy and simple to adjust extrusion strength. Better to control the squeezing force to ensure the filament is steadily pushed into the hot end of the printer.Ideal for filament extruder ABS PLA Wood TPU PTEG,etc.
【Improved Installation – dual gear extruder】 Compared to the previous direct drive extruder, this arm fittings have been upgraded to add a brass washer between the stainless steel gear and the aluminum housing, so the gear teeth will NOT collide badly to housing and prevent the gear from “eating” the aluminum housing. Idler gear is fixed with a half thread screw for smoothly running and more durble.
【More compatibility】This dual drive gear extruder was original designed for CR-10S PRO, but also fits Ender 3 V2, Ender 3 Pro, ender 3, CR-10 series, ender 5,S5 Tornado ,etc 1.75mm filament FDM 3D Printers .
【 3D Printer extruder Motor Shaft Over 20mm】 Note: Creality 3D printers use different motor parts on their series printers even on same model,please check carefully if the motor shaft height is over 20mm,so it will have enough lenght to install the extruder outgoing drive gear.After installation,it is recommended to set E-steps to 139,then increase or decrease the unit value according to the actual printing effect.