Fits: Wanhao i3, Monoprice Maker Select 3D Printer v2, Cocoon Create 3D Printer Nozzle: 0.4mm Plated with HIGH LUBRICITY WEAR RESISTANT TwinClad XT Coating Kit Includes: Thermal Barrier Tube, Plated Nozzle and Slotted Cooling block Slotted Clamping system, No set screw to ding and damage thermal tube, Significantly better heat transfer Made in USA by Microswiss