Bird spike is humane anti-perching system, can prevent the bird halting on window, building. Ect. Plastic pedestal with stainless steel wire spikes. ( two, three, five rows are acceptable) Easy to install Stainless steel wire diameter: 1.3mm-1.5mm. Length per piece: 0.605M Packing: 50 piece/ CTN Carton size: 63cmx39cmx29cm Minimum order: 5000 piece. Bird Spike Material Barb height Barb thickness Length/piece 1hot-DIP galvanized steel sheet 2. Stainless steel AISI430 or AISI304. 64mm 0.8-1.0mm 0.5m or 1m Packing: 500PCS/box, 36000PCS/20ft FCL Reduces Damages & Repairs @ Saves insulation, siding, and roofs from replacement or repair @ Increases property aesthetics and value @ Decreases aesthetic and materials damage to ledging, fencing, vehicles. @ Eliminates destructive, corrosive droppings @ Eliminates costly repairs Reduced Risk Features @ Eliminating pest birds withBird Spikesreduces health and liability risks @ Insure yourself against potential lawsuits and legal liabilities @ Reduce workman's compensation claims @ No FDA and OHSA inspection failures @ Prevent Health Department citations and fines. O Eradicate over 60 potential bird-related diseases: Avian Flu, West Nile, Histoplasmosis, Salmonella, E. Coli, and more We are  China bird spike bird control pest control anti-bird spike manufacturer  offer best bird spike bird control pest control anti-bird spike OEM, ODM,service.