• Covered by silicone, isolating the heater block to stabilize the temperature and provide protection.
• Dual 0.4mm/Hardened Steel Hot Ends are optimized for engineering applications, supporting Nylon, Carbon Fiber Reinforced Nylon, Glass Fiber Reinforced Nylon. Dual 0.4mm/Hardened Steel/All-metal Hot Ends are optimized to reduce filament clogging. See below for a comparison.
• Compatibility: Snapmaker J1/J1s