What's in the box:

1pc Extruder Kits wth 0.4mm Output Nozzle Double Fans Fan Cover Air Connections for CR-10 3D Printer (01)

Features:
Includes a nozzle, 2 fans and a fan cover.
High quality material, fine workmanship, great for use.
Suits for the filament with diameter 1.75mm.
0.4mm output diameter nozzle.

Specifications:
Material: Brass (nozzle) & Plastic (fan) & Iron (cover)
Input Diameter: 1.75mm
Output Diameter: 0.4mm
Item Weight: 182g/ 6.4oz
Item Size: 5.8 * 4.5 * 4cm/ 2.3 * 1.8 * 1.6in

Package List:
1 * Kit (Nozzle+Fans+Fan Cover)