1. Copper alloy material, durable, anti-corrosion and wear-resistant
2. Bi-metal high temperature resistance, cutting heat resistance design
3. 45-degree chamfer design at the thread, smooth feeding
4. The section of the nozzle is flat and smooth, and it is highly compact with the butt fittings.
5. The inner wall is smooth and free of burrs, the printing retraction resistance is reduced, and the printed product is more delicate
6. The thread is tight and not easy to slip
7. Material: copper, stainless steel
8. Thread: M6
9. Size: threaded type is about 22mm, smooth type is about 20.5mm
10. Weight: about 4 grams
