c&h alien 6 oz in white, these have two swinging assist style hooks and living rubber skirts. i like to thread one of the hoks all the hay through a GULP 5" minnow and use the second hook as a stinger, also works well for grouper and snapper.
Pretty much anything long looking like a knife will work for Aj , however some of this jigs are barracudas magnets but all in all , anything from River2sea jackknife to Williamson Benthos , Smith Nagamasa & all the others will work effectively .
jigging for jacks can be very expensive especially if you use expensive jigs. you are going to loose them to structure and fish with sharp teeth. fact is they will bite pretty much any jig if you move it the right way which usually means fast. here are some cheap ones including 300g bentos knock offs:Anteaterjigs.com - Products