Product review (5 stars): Everything is Awesome!
Excellent vent cleaning kit! I have used this twice now, once in the fall and once the following summer. It is easy to use and works very well. I thought my dryer was going out as it would take up to 3 dry cycles just to get a small load dry. I bought this hoping that it might help. I cleaned out the vent, which was clogged and filthy, and my dryer works like new.

Note: 1.) This did not come with an attachment to connect the extendable bars to the drill. I had to find a bolt that screwed into the
  bars. I cut the head of the bolt and use it as a drill bit attachment to connect the bars to the drill.
  2.) You have to be careful when using this and make sure that the bars don't bit. If the drill is not spending freely and easily then be careful because the bars will bend and become unusable. I ruined one of the extension bars because I forced it when it wasn't spinning easily and it twisted and now it is unusable.

All in all, this is an excellent product.