Ahi USA Assault Diamond Jigs - This proven jig has stood the test of time and while others have come and gone, Diamond Jigs are still widely used throughout North America today. On the West Coast Diamond Jigs have been filling stringers and gunny sacks with lingcod, rockfish, halibut, and tuna. On the East Coast anglers use them to catch striped bass, bluefish, and tuna. Gulf based anglers target grouper and snapper with them.