The Angle Lock products are patentpending adjustable 80tooth locking discs designed for use with rod holders like Folbe and Scotty to help secure your gear at specific angles while trolling. They come in multiple colors (such as white, orange, and green) and are typically sold as pairs per package. While specific fishinguse details are limited as theyre newly introduced, the Angle Lock system provides positive locking adjustment to maintain a stable rig setup on your boat.WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov