3D Industries, Metal Hotend, ALUHOTENDV5 Aluminum and Steel 1.75mm, .4mm nozzle J-Head for Prusa and other 3D Printers 1 x AluhotendV5C-1.75mm Aluminum Hotend, 1.75mm, .4mm nozzle standard J-Head 100k thermistor (number 10 on the marlin firmware) with sleeves and heatshrink. J-Head grove mount (aluminum) 1 x 40mm 12v fan 1 Heater cartridge 12v30w