Specifications:

Material: Aluminum & Stainless Steel & Brass
Installation type: External thread connection
Scope of application: 3D printer
Nozzle size: 0.4mm
Throat pipe length: 30mm
Aluminum block size: 20 mm x 20 mm x 10 mm
Operating temperature range: -40°C to +260°C (-40°F to +500 °F)
Thermistor and heater cable length: 1M

Features:

Tip of the nozzle, aluminum heating block, Throat pipe (built-in Teflon).
MK8 Extruder Hot End kit, white wire was temperature thermistor, red wire was heating tube 12V40W.

Package included:

1 x Aluminum block
1 x Heating tube (heating tube 1 m long, 12V 40W)
1 x 1.75MM 0.4MM Brass Nozzle
1 x M6*30mm Throat pipe (built-in Teflon)
1 x Thermistor + Brass sleeve (1 meter long)