KORDA DARK MATTER RING SWIVEL LEADERKorda Dark Matter Leader Ring Swivel The Dark Matter Ring Swivel Leader is a versatile, fused leader featuring tungsten impregnated sections designed to ensure it stays pinned to the lakebed, minimizing the chance of spooking wary fish. It comes pre fitted with a Size 8 Ring Swivel on one end, making it ideal for use with helicopter setups and fully compatible with the Heli Safe System. The opposite end features a fused loop for quick and easy