If you've got the sockets, why not just use a breaker bar. Craftsman calls it a "flex handle." Cost about 11-12 dollars. You can apply a lot of torque with them and even beat on them, if need be.

You really shouldn't use a cheater bar on a rachet as it can damage it. Get the breaker bar as they can stand up to that kind of punishment.

Here's a link:
http://www.sears.com/sr/javasr/produ...id=00944363000