Optimal Protection and Performance: These silicone socks for QIDI Plus 4 3D Printer are designed to offer superior heat resistance and stability during printing. By maintaining a consistent temperature around the hotend, these protectors ensure smoother and more reliable printing results. Durable Material: Made from high-quality silicone, these socks are not only resistant to high temperatures but also to wear and tear, making them a long-lasting addition to your 3D printing tools. Enhanced Printing Quality: By reducing the risk of filament sticking to the heater block, these socks help in producing clean and precise prints. Colour:Black Material:Silicone Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 5 x Hotend Silicone protective cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.