Features:
DIY replacement kit, special for Anet A2 & A8 printer.
Pre-wired thermistor, 100K ohm, 1.1m in length.
12V 40W cartridge heater.
Aluminum heater block.
0.4mm output nozzle.
6mm diameter external thread extruder throat, 30mm length, suits for 1.75mm filament.
Specifications: --NTC3950 Thermistor Material: High Temperature .
(200℃)Resistance: at 25°C=100K ohm Cable Length: Approx.
1.1m Working Temperature Range: -40℃～+300℃ .
Extruder Throat Material: Stainless Steel Input Diameter: 1.75mm Length: 30mm External Thread Diameter: 6mm.
Nozzle Material: Brass Input Diameter: 1.75mm & 3mm Output Diameter: 0.4mm .
Heater Material: Stainless Steel Voltage: 12v Power: 40w .

Package include :
1 X 0.4mm MK8 extruder nozzle
1 X 30mm throat tube
1 X heater block
1 X thermistor
1 X cartridge heater
1X wrench
Heated Tubing :12V/40W high temperature resistance heater (wire length 1M/39.4inches), operating temperature range:0~+280°C (0~+538°F)
Nozzle: 0.4mm Extruder Brass Nozzle Print Head, Compatible with 1.75mm PLA ABS 3D printer
30mm Length Extruder 1.75mm Tube, made from stainless steel ,compatible with 1.75mm PLA ABS 3D printer, reduces extrusion force and improve reliability of retractions thanks to the improved internal surface finish
Heater block: Aluminium Material heater block, 2cm X 2cm X 1cm, comes with a necessary M6d screw. Working perfectly with ABS and PLA filaments
You can repair your extruder with this kit instead of replacing a new one when your extruder suffers a clog that can't be fixed. A great replacement hot end for MK8, i3, E3D, Anet A8, Alunar M508, CR7, V2 etc