In the kit you get 1mm spacers to use one at a time but theres an option part for 0.5mm (U8207) rather than buy the alloy option part, I created it in Fusion. Fitted and works fine.
Printer Brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
No
Resolution:
0.2
Infill:
100