Skadis holder for lab style banana leads Hejo 4mm leads.
Fits this model:
https://www.amazon.de/Hejo-Bananenstecker-Krokodiklemmen-Spannungspr%C3%BCfer-Strommessger%C3%A4te/dp/B09PG9TB6W
Print optimised for strong cadis hooks.
Stp included, adapt to your liking.