extruder gear 3d printer POLISI3D Hardened Steel MK3 Drive Dual Gears kit DriveGears Extrusion Wheel for Upgrade Prusa i3 MK2/MK2S/MK2.5 MK3S 3D Printer : Industrial & Scientific Size:Tote Bag lead_time:2-3 1.8° stepper motor base Gear Up Game Booster
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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18