Heater Block+Cartridge 3D Printer Makerbot Reprap MK7/MK8 Hot End 

Item including :

First part :

Material:   Aluminum

Size:       20*20*10mm

The throat and nozzle mounting hole：M6

Heating bar mounting hole：Diameter 6mm

Screw mounting hole ： M3

Thermocouple mounting hole ：M3

Second part  :  12V 40W 3D Printer Heater Cartridge

Materail:      Stainless Steel, PVC, Nylon
Voltage:      12v
Power:        40w
Heater size:   6x20mm(D*L)
Wire Length :  1 Meter
Temperature:   300°C

Package included:  1pcs heater block

                                   1pcs heater Cartridge