Hi GLW,

The assembly has a squared off shaft on one end that fits into the clutch drum on the motor assembly. The other end has a female coupling that accepts the accessories.

I hope this helps,

-UtahAV
-Mark

Again UtahAV is making a simple "Yes" or "No" question into something complicated.
YES, this is the complete upper assembly. It has the upper flexible drive shaft included. Basically, a pipe with a flexible drive shaft in it.
If the upper drive shaft has broken (as in my case), you need not buy anything else (example: handle or screws).

Hi pjames,

Replacing the upper dive shaft is definitely a doable repair for most do-it-yourselfers. Probably the most difficult part is removing and replacing the grip. In fact I suggest also purchasing a new grip just to make the repair go a bit more easily. That way you can just cut the old grip off of the shaft.

I hope this helps!

-UtahAV
-Mark

UtahAV is full of crap. Cutting off the handle would cost you another $35-$80 in parts. When all you need is a 5/16" socket wrench to loosen and slide the original handle off. Most of this guy's answers have been vague and expensive.
If you've got a small arsenal of wrenches and screw drivers, it's fairly easy. Basically, take it apart and put it back together again. No rocket science involved.