Is this the 1/16 #4 you are loking for?

http://cgi.ebay.com/50-1-16-oz-round...QQcmdZViewItem

Here's a smaller pack:

http://cgi.ebay.com/22-1-16th-oz-rou...QQcmdZViewItem

BTW- I just got some 1/32 from this guy with #2 hooks - Great Deal, good quality heads.