The design of the Troll-Tech Double Swivel Egg and Torpedo sinkers allows anglers to be able to Tight Line Troll, Spider Rig, Slow Troll, Carolina Rig or Vertical fish without line twist. Troll-Tech Double Swivel Sinkers will allow anglers to cast and retrieve with no line twist. The brightly painted Troll-Tech sinkers come in fluorescent colors that will attract game fish to your bait or lures in heavy stained or clear waters. Great for night fishing too!!