Features: Improve the efficiency of your 3D printer with this high quality silicone sleeve, providing optimal heat insulation for consistent printing results. Designed for easy installation and removal, this silicone sleeve is suitable for various 3D printers, ensuring a smooth printing experience. Perfect for both beginners and experienced users, the hotend silicone sleeve enhances the durability and performances of your printer. Whether you're working on intricate prototypes or large scale projects, this silicone sleeve offer reliable thermal insulation, minimizing heat loss for precise printings. Elevates your 3D printing experience with this durable and user friendly silicone sleeve, an essential accessory for achieving excellent printing quality. Specifications: Product Name: Heating Block Silicone Cover For Kobra2 Nozzle Heat Block Cover Product Size: As Pictures Material: Silicone Color：Black Quantity：1/2/3/5/6/8pcs Package Includes: 1/2/3/5/6/8pcs Silicone Covers note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.