Compatibility:• Snapmaker 2.0 Dual Extrusion 3D Printing Module• Snapmaker Artisan 3-in-1 3D Printer Who's it for?Artisan 3-in-1 3D Printer and Snapmaker 2.0 Dual Extrusion 3D Printing Module Owners who have encountered any of the issues below. Please note that the replacement kit is intended only for those facing the specific issues mentioned below. If your machine is functioning normally, we do not recommend replacing any parts unnecessarily. What's included?1. Silicone Buckle Wedge for the Dual Extrusion Module - Enhancing the clamping force of the buckle - Solving the problem of buckle loosening.2. Front Cover for the Dual Extrusion Module - Optimizing the cooling airflow inside the module and enhancing the heat dissipation around the hot end - Reducing clogging issues.3. Spare parts for the Dual Extrusion Module filament sensor - Reducing the wear and aging on the trigger lever to prevent false alarms of filament runout.4. Silicone Bed Shims (0.5 mm thick) for the Artisan 3D Printing Platform - Resolving incomplete contact between the printing platform and the support platform in some machines during the leveling process - Optimizing bed leveling. Please be aware that Front Cover and Spare parts for the filament sensor included in the replacement kit are covered by the warranty period of your purchased machine, while Silicone Buckle Wedge and Silicone Bed Shims are considered consumable items and are not covered by the warranty.