Bird-X STS-24 Regular Width 6-inch Stainless Steel Bird Spikes, Metal Roof Guard Pigeon Prevention, Rodent Deterrent, Animal and Pest Control Supplies, 24 feet
Amazon.com: Bird Barrier Bird Coil – Professional Stainless Steel Bird Deterrent Coils – Bird Control for Balconies, Parapets, Exposed Ledges Ideal for Pigeons and Larger Birds – Includes End Posts and Fasteners :