Description: 【Material】: Crafted from high hardness ceramic and carbon fiber, these 3D printer filament feeder port protectors are designed to withstand wear and tear, ensuring long term performance for your 3D printer 【Fits】: Specifically designed to fit for S1C, for 3, these ceramic inlet protectors provide a great match for your equipment 【Comprehensive Set】: Each package includes 4 ceramic inlet protectors, offering complete coverage and protection for your printer's feed ports 【Easy Installation】: Easy to install, making it convenient for all users 【Enhanced Lifespan】: Reduces abrasion during feeding, especially when using carbon fiber filaments, effectively extending the life of your printer’s feed port Specification: Material: Ceramic Carbon Fiber Color: Orange   Size Chart: 1.5cmx1.5cmx1.35cm/0.59inchx0.59inchx0.53inch Package Includes: 4 Ceramic Inlet Protectors Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.