these may be`similar to Robs ,but may have a different action due to the way the weights are mounted onto the hook.

http://cgi.ebay.com/RIGGED-BASSTRIX-STYLE-WEIGHTED-HOOK-WITH-LUCKY-SWIMBAIT_W0QQitemZ330197306678QQihZ014QQcategoryZ7300QQtcZphotoQQssPageNameZWDVWQQrdZ1QQcmdZViewItem
brian

also these;

http://cgi.ebay.com/PROS-WEIGHTED-HOOK-4-BASSTRIX-SWIMBAIT-BASSMASTER-MAG_W0QQitemZ330197890269QQihZ014QQcategoryZ7300QQtcZphotoQQcmdZViewItem