Lyric in Bob Marley song Trenchtown Rock?

Question

In the song, "Trenchtown Rock", there's a phrase, "It's Kingston 12" that gets repeated. Does anyone know what that refers to?

Update:

What are Kingston's finest?

Answer 1

Favorite Answer

kingston 12 a group of kingstons finest back in the day

Answer 2

Trenchtown is a neighborhood in Kingston, the capital of Jamaica.