They are big boogers. If you want something a bit smaller.. look into sumatran short tails (black bloods)

Here's someone with a borneo short tail.. not as big as a blood.
http://www.proexotics.com/retail_pro...ig_3-22-02.jpg

Here's another.. I've seen bigger surely.

http://www.vpi.com/4VPIInventory/Gal...BloodPage1.htm

the one on the left obviously.. this is a nice example of now NOT to hold a blood.
http://wherethehelldidiputmykeys.com...s/snakes01.jpg