1. Excellent heat resistance: H2D hot end print head silicone sleeve insulation sleeve has excellent heat resistance, can be used for a long time in high temperature environment, will not melt, deformation and problems. 2. Improve printing stability: This insulation sleeve can effectively maintain the constant temperature of the print head and reduce the influence of ambient temperature, thereby improving printing stability and accuracy. 3. Protect the print head: During the printing process, the print head temperature is high. This silicone sleeve can effectively prevent the operator from touching the print head and cause burns. At the same time, it can also prevent dirt such as dust from entering and protect the print head. 4. Simple installation: The design of the silicone sleeve insulation sleeve of the H2D hot end print head is very user-friendly, simple and convenient to install, no special tools are required, only manual insertion is required. 5. Strong compatibility: It can adapt to various brands and models of printers, without loss of printer performance, can be applied to almost all 3D printers, is the ideal print head upgrade accessories. Package Included: 3pcs Silicone Socks