They retail for $44 each, but I'll let them go for $20 each.
Here is a picture:
http://www.summitracing.com/parts/DTC-794-91225/
If you're not familiar with these. They come with three parts, two flanges that weld to your tubing, and the clamp which clamps them together.
All the cool kids use these, just in case anybody was wondering.
![rockon :rockon:](./images/smilies/rockon.gif)