Features: Upgrades for K2 Plus 3D printer with this precisions engineered metal extruder gear kit, featuring optimized low noise operations and enhanceds durability for consistent filament feeding. from high strength alloy, this extruder gear kit ensures wear resistant performances for K2 Plus models, backed by straightforward installation tool and guides. for maker, hobbyists, and professionals extrusion performances to minimize print errors in detailed prototypes or functional models. for home workshops, educational lab, or small scale production requiring quiet, high precisions 3D printing operations. Achieve smoother layer transition and reduced filament slippage with 3D printer accessory, to maximized your machine longevitys and output quality. Specifications: Materials: Metal Size:as picture show for different filaments such as TPU/PETG/ABS Package Includes: 1Set Extruder Gear note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.