One standard SwiftTool Multi0.4 for use with non-abrasive filaments like PLA, ABS, ASA, or proNylon™. The Multi0.4 mm is marked by a yellow cable, so you easily can separate them. This SwiftTool is considered the standard size.
They can be purchased by themselves or as a kit. The kit you can find here.
There is also an upgraded version that is moulded into Silicone to lessen the material sticking to the hot end and also protect the cable. You find it .
Note also that these Multi type nozzles never should be used with proCarbon™ or proGlass™.
ZYYX Pro: all models
ZYYX+: NO, only ZYYX+ units after 2018 with SwiftTool connector.
ZYYX/ZYYX Classic: NO