The Big Jon downrigger clamp on is a high-quality fishing accessory designed by Big Jon Sports. Specifically designed for use with downrigger systems, this clamp provides a secure and reliable attachment point for your gear. With a durable construction and trusted brand, this product is essential for anglers looking to enhance their fishing experience with precision and efficiency. this downrigger was a display model that sat on a shelf for years. It has never used, but there’s no original box or paperwork. Thank you for looking.