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3 New Creality sprite extruder dual gear for Creality 3D printers, such as Creality Ender 3 S1, CR-10 Smart Pro, Ender 3 and Ender 3 Pro. The use of gear with 3.5:1 gear ratio which perfectly matches with motor makes extrusion force up to 80N(depending on filaments). More precise control of feeding withdrawal.