Parts to assemble the HartK PCB in the Bondtech LGX extruder, and adapted for use on chains.
Only you need 4 screws M3x12 and 2 head inserts M3xD5xL4 (Voron Standard)
Aliexpress links:
Head inserts: https://s.click.aliexpress.com/e/_DCFQYWt
Screws: https://www.aliexpress.com/item/4000888356182.html