Wanhao D4X - MK9 dual-extruder upgrade
These are in stock in limited supply!
All new Duplicator 4X printers come with this spring-loaded extruder drive block upgrade as a standard feature.
Includes (1) drive block for the right extruder and (1) drive block for the left extruder. DOES NOT INCLUDE THE (2) V-BEARINGS NEEDED TO COMPLETE THE UPGRADE. The v-bearings are meant to be sourced from your original MK8 assembly.