These brass extruder nozzles replace broken, fractured, and clogged nozzles on your MK10 dual/Single-extruders.
These are extruder nozzles which are suitable for the newer MK10 style print heads, Creator X, Creator Pro, Inventor, Finder, Guider, Guider II, and Dreamer 3D Printers. These are M7thread and require to be used with a 4mm OD Teflon Tube.

Specifications:
Material: Brass
Input Filament Diameter: 1.75mm
Weight: About 2g/each
Nozzle diameter: sizes include 0.2mm,0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm

Only fits printers which use 4mm Teflon tube which might include:

Wanhao Duplicator 4 series
Flashforge (newer models)
FlashForge Creator Pro
FlashForge Creator X
FlashForge Dreamer
Dremel Idea Builder
Monoprice Maker Select 3D Printer v2
PowerSpec 3D Pro
PowerSpec 3D X
Qidi Tech
Wanhao Duplicator 4S
Wanhao Duplicator 4X
Wanhao i3
Cocoon Create 3D Printer

Package Content:
0.4mm Nozzle X 10pcs

• Compatibility: the printer nozzles fit for FlashForge Creator Pro, FlashForge Creator X, FlashForge Dreamer, Dremel Idea Builder, PowerSpec 3D Pro, PowerSpec 3D X, Wanhao Duplicator 4S, Wanhao Duplicator 4X, Wanhao i3, etc.
• Package include: totally 10 pcs 0.4mm MK10 M7 Extruder Nozzle
• Premium Quality---The cleaning needles are made of high quality stainless steel, flexible, sturdy and durable. With a handle, you can twist the drill when using.
• Durability---Nozzle cleaning drill bit can be used heaps of times, because of stainless steel material. It will neither rust nor be broken, no matter how it is used.You only need one to solve all the same size nozzles blockage problems.
• Note---After replacing the nozzle, please recalibrate the distance between nozzle and build plate to ensure the quality of print parts.