Optimized Performance: Specifically designed for Prusa i3 models including Mk3S, MK3, MK2, MK2S, and MK2.5, this dual drive gear extruder upgrade kit ensures a consistent and stable filament feed, enhancing your 3D printing experience Construction: Crafted from high-quality materials, the extrusion wheel in this kit is built to last, providing reliable service and superior wear resistance Easy Installation: The kit includes all necessary components for a hassle-free setup, allowing you to upgrade your printer quickly and efficiently Enhanced Grip: The dual drive system grips the filament from both sides, increasing the pushing force and reducing the risk of slipping and misprints Due to different batches, there may be differences in product appearance and printed text, which not affect use Color:As Shown Material:Hardening Steel Package Contents: 1 * Dual Drive Gear Extruder Upgrade Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.