Keep your boat free from nuisance birds with this Bird Deterrent for Boats. Designed for 7/8"-1.25" railings, this device is easy to set up and perfect for any boat owner looking to protect their vessel from bird droppings and other debris. Made by Thats's For The BIrds, a trusted brand in the boating industry, this bird deterrent is a must-have accessory for any boat owner. The manufacturer part number #1501 ensures that you are getting a quality product made in the United States.