http://store.harryepstein.com/cp/Ratchets/12-994.html
I know I know, it's not 24" , but 18 1/2" is still a pretty big wrench, plus it's American made, and there I'd no plastic handle to come off when you really need it the most. I have an import 3/8 five that's 18" flex head , and I don't use it...