1. For X2 & for Genius Pro 3D printer replacement. 2.Easy to exchange: just remove ribbon cable, undo 3 bolts, remove one , replace with another, replace 3 bolts, put ribbon cable back in slot, level again. 3.This is a complete upgraded hot end for the X2 & For Genius Pro, complete with padded motor, thermistor, , circuit board, LED circuit board, complete hotend and heated sock. 4.Direct-drive extruder, excellent support for flexible filament. 5.Optimal Performance: The inclusion of a top-tier hotend allows for consistent heating and improved filament flow, which translates to finer details and smoother finishes on your prints.<br><br>Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Black&Blue Material:Plastic + Metal<br><br>Package Contents: 1 x Print Single Nozzle Assembly<br><br>Only the above package content, other products are not included. Note: Light reflection 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.