This is a Cannon Easi Troll downrigger fishing rod holder mount. It is designed to secure a fishing rod to a downrigger system on a boat, providing stability while trolling or deep-sea fishing. The unit appears to be in good, used condition with normal signs of wear.

This mount is an essential accessory for serious anglers using downriggers, allowing for hands-free fishing and improved bait presentation. It features a sturdy construction typical of Cannon products.