These are the Special MK8 Nozzles with reduced Diameter on Taper for Sock to Clip into., M6 x 1.0mm Thread and Length, they will fit other MK8
Original 1.75 0.4MM Brass Nozzle for Ender 3 S1/3 S1 Pro/3 S1 PLus/Ender 5 S1 – 3D Printer Spare Parts Wholesale Mall
Creality 3D Printing High-end Nozzle Kit 0.25mm 0.4mm 0.6mm 0.8mm Brass /Copper Alloy/Hardened Steel Nozzle Kit for Ender-3 V2 /Ender-5 Plus/Ender-6/Ender-4,Copper Alloy Nozzle Kit
Performance Wood PLA by Matter3D Inc
HOCENWAY 3-Pack Sprite Extruder Upgade Plated Wear Resistant India
5PC Creality Copper Alloy Plated Nozzle Kit for CR 6 SE / MAX / CR10 S
0.4mm Nozzle for CR-10S Pro/Cr-10 Max
Creality Collet Clips (Pack of 2)
MK M6×0.4 Brass H59 Yellow Mouthpiece Creality
MK10 Nozzle, M7 Thread, Brass, 1.75mm/3.00mm Filament , Compatible with Wanhao Duplicator D4 & i3, Dremel, Makerbot Rep 2
M7 Brass Nozzle
Bondtech CHT® Coated Brass Nozzle - M6
Creality MK brass Nozzle (5 pack)