PRODUCT OVERVIEW:The sure stop turns off your electric Downriggers 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 (models 377 & 378). Tubing has been added to provide protection against abrasion in high wear areas.WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov