disinfection liquid canister opener (Ecolab)

I have designed this opener, as me and my colleagues (working in a hospital) get open these containers very bad. The cover of "Incidid" is too deep to open by hand and the cover of "Sekumatic" is often "glued".

My colleagues were very thankful.

After printing and cleaning I did an aceton bath to the opener.

UPDATE:
Due to a request of new closure designs, I have again adjusted the opener. 65mm outer diameter (yellow cover) and 74mm outer diameter (larger black cover)
I hope that they