WWZMDiB 3D Printer Accessories – Dual Gear Extruder Upgrade Compatible with Ender 3 Series CR-10S Series

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🥈【Double Gear Extrusion】:The material filament is held tightly by the double gears when extruding to prevent deformation, making the extrusion smoother and preventing jamming.
🥉【Adjustable Precision】: By adjusting the screw control spring, the extruded filament can improve the printing precision and feeding problem.