The Scotty 378 Sure Stop Pro turns off your electric downrigger's auto stop at the same spot every time. The tuna cord provides a secure hold for your self-locating snap and is easier on your hands when pulling your gear to the boat. The Scotty Snubber absorbs shock, provides electrical insulation, and helps prevent snags. The stainless steel split ring prevents your 3025 weight retriever (not included) from sliding off your cable. Tubing has been added to provide protection against abrasion in high-wear areas. Easier on your hands when pulling gear to the boat Snubber absorbs shock, provides electrical insulation, and helps prevent snags Added tubing provides protection against abrasion | 378 Sure Stop Pro for 30" Downrigger Boom with Snubber