Product review (4 stars): Simple, easy to use and it works
I love this.  I used it to clean out our dryer vent.  However, our vent is only 12 feet long.  I could see that if you had a longer vent and you gunned the drill the torque build up on the rods could cause them to break.  You have to take it easy and make sure you never, NEVER put the drill in reverse or risk having it come undone and loose it in the vent.  The Shop-Vac attachment is handy too.  The vent came out sparkly clean.