LT Easiyl 3Pcs 3D Printer Heater Block Silicone Socks Cover Insulate Protect Hot End Nozzle Print Head Silicone Cover Compatible with Prusa I3 MK4 MK3.9 XL Hotend

High-Temperature Silicone Sock: Our 3D printer hotend silicone sock is crafted from heat-resistant, non-stick silicone material, molded through injection molding, withstanding temperatures up to 280°C/536°F. Protective Function: The silicone sock helps maintain the cleanliness of the heater block, preventing plastic from burning, blackening, and filament buildup. This reduces maintenance time and extends the lifespan of both the heater block and nozzle. Universal Compatibility: Compatible with Prusa I3 MK4 MK3.9 3D printers and other printers using Nextruder heater blocks. Easy Installation: Convenient plug-and-play installation allows for effortless assembly onto the hotend without the need for disassembly. Package Contents: Each package includes 3 silicone socks, ensuring you have an adequate supply for your 3D printing needs.