Scotty #374 Sure Stop Downrigger Stopper Kit Comes with over eight feet of 240 pound test black nylon seine twine, a 100% stainless steel crane swivel and a heavy duty coast lock terminal end The gunmetal black crane swivel is three times stronger than a brass swivel Attach your downrigger line directly to the heavy duty crane swivel and the swivel itself becomes the stopper bead for the auto stop on the downrigger Works extremely well when using braided downrigger line Ensures that your downrigger ball will stop short of the pulley; A must for the serious downrigger fisherman