Circuit Breakers?

I just got a 55 pound thrust minn kota endure C2 and I have a deep runner battery for it. I want to buy a circuit breaker. Where are some good places to buy a 60 amp circuit breaker, and what price would I be looking at?

ebay I think I paid 10 bucks. I'm pretty sure I have a 50amp breaker. That's plenty

http://pages.ebay.com/link/?nav=item.view&alt=web&id=171596826353

West Marine or Bass Pro have them relatively inexpensive.