Ok, if you're cutting your own hair these are a must for finishing off your cut.

Check yt for methods and styling options. All my cuts in pics are finished off with 15 tooth. Will be posting up 7 tooth pics when my new pieces come in...
http://www.dinodirect.com/thinning-sciss...teeth.html

http://www.scissormall.com/hair-cutting-...issor.html

You can find 7 and 15 in all price ranges from 15usd-500usd.