K2 Plus Combo Extruder Gear, xirbbo Upgrade CXK2 CFS Hardened Steel Gear Black Extruder Support 1.75mm Filament Extruded,3D Printer Accesoires Parts Dual Gear Drive Extrusion Gear Replacement Kits

["xirbbo Upgrade CXK2 CFS Hardened Steel Gear Black Extruder kits","Only compatible with Creality K2 Plus Combo","Small Elves with Huge Power: Small size,Exquisite shape and precise structure","Dual Gear Feeding, More Stable Printing: the extruder adopts dual gear drive, with the hihg high-hardness, wear-resistant performance, ensure durability against repeated feeding and retraction, as well as the abrasive nature of fiber-reinforced filaments, sianificantly extending the lifespan.","COMPACT DESIGN: Lightweight and space-efficient construction maintains high capability while offering easy installation and maintenance","The old gears are made of hardened steel without any surface treatment, not wear-resistant and easy to rust, xirbbo upgraded with hardened steel and +DLC nano-coating surface treatment","Advantages: Stable feeding, tough and wear-resistant, POM material with large gears made of Sai Steel, stable transmission and high efficiency printing."]