FYSETC 4PCS Prusa MK4 Hotend Silicone Sock Heater Block Silicone Cover Lightweight High-temperature Resistant Prusa MK3.9 XL FDM 3D Printer accessory
Features:
1. It will keep your heater block clean and free from burnt and blackened plastic.
2. They don't just keep the block clean, but also keep heat inside the hotend and off your print.
3. Fits great and keeps the heat in which expedites filament swaps and keeps any potential messes to a minimum.
4. Just make sure you go into your printer settings and tell it that you've installed a sock, otherwise you might see issues with it not retracting enough to prevent crashing into your print
Parameters
Color: Black
Material: Silicone
Item Weight: 3g/pc
Packing List: 4 x Silicone Cover
Using Note
If your print head temperature is above 250 degrees for a long time, please remove your silicone sleeve. Long-term temperature above 250 degrees will damage the silicone sleeve!