I recently got a SanDisk Titanium Cruzer flash drive that has a small split ring on it for attaching to a key chain. I've only removed it from my keychain a couple of times, but I'm realizing that the split ring on the Cruzer is very flimsy. I'd rather have something more durable, like the ring that is on my Arc AAA. Does anyone know where I can get very small split rings that are durable like the Arc?

I've tried my local hobby shop in the jewelery section, but the rings they have are like the one on the Cruzer now.