i7 Hotend Sock for Creality

【Creality Official Replacement】- This is a genuine Creality hotend silicone sock, precision-molded for a perfect fit on the SPARKX i7 heater block. Direct replacement for the original part—no modifications needed.

【Heat-Resistant & Non-Stick】- Made of high-quality, non-stick silicone rated for high-temperature printing. Prevents melted filament from adhering to the heater block, reducing burnt residue and making cleanup quick and easy.

【Thermal Insulation & Stability】- The silicone sock provides essential thermal insulation, keeping heat inside the heater block. Helps the hotend reach target temperature faster and maintain consistent heat during long prints, reducing temperature fluctuations that can cause print defects.

【Hotend Protection】- Shields the heater block from stray filament, dust, and debris. A clean heater block ensures reliable thermal transfer and prevents burnt plastic from dripping onto prints or clogging the nozzle—critical for multi-color printing with CFS Lite.

【Upgraded Material】 Made from high-quality silicone that withstands temperatures up to 300°C. Its flexible and elastic nature ensures long-lasting performance without cracking or degrading.

【Efficient Energy Saving】 The silicone sock enables faster heat-up times, getting your prints started sooner. By significantly reducing heat loss, saving you a noticeable amount on electricity over time.

【Safety】Creates a crucial barrier against accidental contact with the scorching-hot metal heater block. This essential safety upgrade is ideal for workshops in homes with children or pets.