Photo 1 of 5Aplusreprap Ender-3 Dual-Gear Gear Extruder Upgrade, with High Precision Hardened Steel Gears for Creality Ender 3 V2, Ender 5/3 Pro/3-Max, CR10 3D Printers, Stable and Durable, Easy to Install, Blue

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Photo 1 of 5Aplusreprap Ender-3 Dual-Gear Gear Extruder Upgrade, with High Precision Hardened Steel Gears for Creality Ender 3 V2, Ender 5/3 Pro/3-Max, CR10 3D Printers, Stable and Durable, Easy to Install, BluePhoto 2 of 5Aplusreprap Ender-3 Dual-Gear Gear Extruder Upgrade, with High Precision Hardened Steel Gears for Creality Ender 3 V2, Ender 5/3 Pro/3-Max, CR10 3D Printers, Stable and Durable, Easy to Install, Blue