Features: All-metal integrated design for stable connection and easy disassembly to reduce the cost of use. Upgraded materials resistant to 350 ℃ highly temperature nozzle of coppered and hardened steel, suitable for printing a variety of filaments. The tube reduce heat conductions, and the nozzle is from hardened steel to support a variety of consumables for printing. Complete nozzle specifications, 0.4/0.6/0.8mm three orifice nozzles, users can choose according to their own printing needs. Compatible filaments: ABS, PETG PC,and so on. Specifications: Component: metal Heating power: 100W Support wire diameter: 1.75+0.05mm Features: High heat conductivity, quick nozzle replacement, 350°C temperature resistance. Nozzle Size：0.4/0.6/0.8mm optional Package Includes: 1PC Heating block extrusion Set 1PC Integrated nozzle note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display.