Printer Accessories

1-5pcs DDG Stainless Steel Pinion Extruder Motor Gear 5mm/0.5M 17T For Extrusion Wheel for 3D Printer Extruder Hotend Upgrade 1-5pcs DDG Stainless Steel Pinion Extruder Motor Gear 5mm/0.5M 17T For Extrusion Wheel for 3D Printer Extruder Hotend Upgrade 1-5pcs DDG Stainless Steel Pinion Extruder Motor Gear 5mm/0.5M 17T For Extrusion Wheel for 3D Printer Extruder Hotend Upgrade