you want the sliding drive part style.
the flex head style is much weaker.

----- Original Message -----
From: "Mike S" <mikes@FLATSURFACE.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, July 25, 2011 4:41 AM
Subject: Re: Harbor Freight 3/4" drive breaker bar?

> At 11:01 PM 7/24/2011, Max Wellhouse wrote...
>>I'm getting in late on this thread, but a breaker bar should be
>>nothing more than a bar that slides through a nub that has the 3/4"
>>male drive piece on it, right.
>
> That's a sliding T-handle.
>
>>  A flex handle is the tool that swivels/pivots at the joint.
>
> Yes. But they're both breaker bars.