Includes:1 set x volcano hotend kit1 set x Titan extruder + Aero1 pcs x 12/24V, 40W heater cartridge1 pcs x PT1001 pcs x NEMA 17 stepper motorOption 1: 1.75mm extruder, 12V cooling fan,12V, 40W heater cartridge,PT100, NEMA 17 stepper motorOption 2: 1.75mm extruder, 24V cooling fan,24V, 40W heater cartridge, PT100,NEMA 17 stepper motorOption 3: 3mm extruder, 12V cooling fan,12V, 40W heater cartridge,PT100,NEMA 17 stepper motorOption 4: 3mm extruder, 24V cooling fan,24V, 40W heater cartridge,PT100,NEMA 17 stepper motorWe are looking forward to a further extension of pleasant businessrelation. If you have any quetion or need something, pls contact us,we will do our best to make you satisfied.Free Shippingto worldwide , send byChina Post Airmail.Delivery time about20-30business days. Some country may delay 1-2 weeks.Attention:If you wanna get the product urgently, we also can send it by EMS or UPS,DHL etc. You need to pay some freight more . Do contact us first if you want to change to EMS,UPS,DHL etc.If you are not satisfied with yours purchase,for any reason,let us know.We will promptly replace the item or give you a re Item specifics:Model number: Titan AeroItem type: ExtruderHotend: 1.75/3mm Volcano hot endStepper motor : IncludedNozzle: 0.4MM