Hard-as-nails ruffians Synonyms

We can't find synonyms for the phrase "Hard-as-nails ruffians", but we have synonyms for terms, you can combine them.

Hard-as-nails Synonyms

Ruffians Synonyms

HR abbreviation

HR is an abbreviation for Hard-as-nails Ruffians
What does HR stand for?
HR stands for "Hard-as-nails Ruffians"