Lazer's new TroKar hooks are the only hooks in the world that are surgically sharpened, using patent-pending Surgically Sharpened Technology (SST). In comparison tests, TroKar hooks consistently pierced the test medium with half the pressure required for other hooks. Pack sizes: 1/0 (7 per pack); 2/0, 3/0 (6 per pack); 4/0, 5/0 (5 per pack). HD Worm TK100 Hook - Heavy-duty round-bend worm. Non-offset. Forged. Ringed eye.