Fly Rod

What is the difference between a fly Rod Reel and a crappie reel?

This is a crappie reel.

http://www.shakespeare-fishing.com/products/products.php?p=55

Flyrod reels are usually made from higher quality materials; machined, barstock-grade, aluminum and poured magnesium. Flyrod reels also have better drag-systems and larger “arbors” than crappie reels.

Crappie reels ,(such as this one), are designed to hunt [...]