NF V6-Crazy All-Metal Copper Heat Break/Throat for 3D Printer

An original NF Crazy high-quality Copper Heat break 1.75mm type filament.

• Size: heat end screw M7, heating end M6, total length 22.4mm;
• Use for: 1.75mm
• Material: Copper & Stainless Steel

Note: As copper will oxidize in the air to produce black spots, please rest assured that it will not affect the function.