Sorry for the late reply, they are plumbing pliers for plastic tubes, but work for many different things. An oil filter plier may also work depending on the width of the plier.
Here's an example on Amazon France, but I bought mine as a set from Lidl a few years ago. www.amazon.fr/KS-TOOLS-116-1200-siphon-L-225mm/dp/B001NYXSH4?ref_=fplfs&smid=A262DC75EJWJQD&th=1
What was that tool you used
Sorry for the late reply, they are plumbing pliers for plastic tubes, but work for many different things. An oil filter plier may also work depending on the width of the plier.
Here's an example on Amazon France, but I bought mine as a set from Lidl a few years ago. www.amazon.fr/KS-TOOLS-116-1200-siphon-L-225mm/dp/B001NYXSH4?ref_=fplfs&smid=A262DC75EJWJQD&th=1