Revo Third Party Nozzles with Swappable nozzle at bottom
Descriptions :
Three types of metals are used: the tip is made of hardened steel, the inner tube is made of titanium alloy TC4,
The rest are chromium zirconium copper (DLC nano coating) materials with different thermal conductivity.
 
Before replacement, ensure that the hot end has cooled down.
Simply unscrew the old nozzle with your hand or wrench and replace it with a new nozzle