The Swivel piece StopGull S27, is designed to avoid that gulls and shorebirds, alight on critical points. Strategically located, it prevents birds land on the mast spreaders, top of mast, nav lights, etc. It also can be installed at port signals.
Available in clear, StopGull S27 is shown in a unitary blister. Includes a double sided adhesive for its installation. If you need install more than one piece in a single element, the wheelbase must be 8cm.