Go to the local bait and tackle shop and check out the hook sizes used to treat the artificial bait on display.
This is the precursor towards the squash tail, and is not actually used on new Surfboards unless a person one shaped. http://home-Make.com/__media__/js/netsoltrademark.php?d=Lawdw.com%2Fbbs%2Fboard.php%3Fbo_table%3Dfree%26wr_id%3D361910