Specification:12V/40W heater,temperature can be up to 280 Celsius(Long-term temperature:240 Celsius/short-term temperature:280 Celsius) One meter long PTFE/teflon tubing 4mm OD 2mm ID PC4-01 tube fitting A v6 heating block Compatibility:compatible with all 1.75mm V6 3D Makerbot 3D printer. Color:picture color Material:metal,stainless steel Package Contents: 1 x all metal V6 hotend 12V/40W/1.75mm/0.4mm nozzle/extruder 1 x 12V high speed fan with shroud 1 x One meter long PTFE/teflon tubing 4mm OD 2mm ID 1 x PC4-01 Tube Fitting 1 x 0.3mm nozzle print head 1 x 0.4mm nozzle print head 1 x 0.5mm nozzle print head 1 x V6 heating block 2 x teflon tube within stainless steel nozzle throatOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.