Feature: 1. Heat Resistant Silicone Material: Made from heat resistant silicone, this silicone sock prevents adhesion to other printing materials, making cleanup quick and effortless for enhanced user experience. 2. No Mess Printing: This silicone sleeve effectively keeps the area around the heat block and nozzle clean, providing a layer of safety against burns and maintaining a tidy work space. 3. Excellent Insulation Properties: Featuring high insulation characteristics, this sleeve maintains stable heat block temperatures, preventing airflow from cooling the print head and improving overall print quality. 4. Secure Fit Design: The product's excellent elasticity ensures a snug fit around the heat block, minimizing the danger of slipping or detachment during heavy printing sessions. 5. Easy Installation: Designed for convenience, the nozzle installation height allows for greater variance, making it straightforward to install without complicated adjustments. 6. Compatible with Various Materials: Our silicone sleeve supports a wide range of filament materials, including PLA, ABS, TPU, HIPS, WOOD, and PETG, for versatile printing applications. 7. Applicable Model: The 3D printer nozzle sock is suitable for K1C, for Ender 3 V3, for Ender 3 V3 Plus, for Ender 3 V3 KE, K1 , K1 Maximum, for CR 10 SE, etc. Specification: Item Type: 3D Printer Hotend Silicone Sock Material: Silicone Temperature Resistant: 280℃ Application: Heat insulation, protect heating block . Package List: 5 x Silicone Protective Covers