DetailsHolds all Scotty post mount rod holders. Perfect for a flush mount look. When you load your boat on the vehicle to head home, take the rod holders off and this flush mount will not get in the way of the crossbar. Does not come with mounting hardware such as nuts and bold. Mounting dimensions: 4" x 2" x 2" Bolting Dimensions: 1 5/16" x 3 3/16".