Height of spikes are 7 cm and the base is 2.5cm. These spikes are only suitable for pigeons and not smaller or larger birds.
eBay
Onnfang Plastic Bird and Pigeon Spikes Anti Bird 1/6/12pcs Anti Pigeon Spike for Get Rid of Pigeons Scare Birds Pest Control
Aliexpress UK
【Upgraded Design】 - Use pigeon deterrent to replace the barbed wire and glass slag, only Keep animals away, and won't cause harm or hurting to animals/humans. 12-72 x Bird Spikes.
eBay
Plastic Bird Proof Nail Bird Spike Roof Anti Bird Thorn Blocking To Prevent Birds Bats From Perching On The Eaves Bird Repellent
Aliexpress UK
Bird Spikes with 10cm Long Spike for Pigeons Keep Birds Cats Squirrels Away, Birds Fence Spikes, Protect Your Roof Garden Railing and Outdoor Walls. And small spikes are also added at the gap which can avoid small animals standing on the gap.
eBay
6/12pcs Safe Eco-friendly Plastic Spikes Anti Bird Anti Pigeon Spike for Get Rid of Pigeons and Scare Birds Pest Control
Aliexpress UK
Bird Spikes. Pigeon Spikes. Bird Deterrents. Pigeon Proofing. 【Upgraded Design】 - Use pigeon deterrent to replace the barbed wire and glass slag, only Keep animals away, and won't cause harm or hurting to animals/humans.
eBay
Plastic Bird and Pigeon Spikes Anti Cat Anti Pigeon Spike Birds Pest Control
Aliexpress UK
A PROFESSIONAL SPIKING SYSTEM TO REMOVE NUISANCE PIGEONS AND GULLS FROM YOUR PROPERTY.
eBay
10Pcs Safe Eco-friendly Plastic Spikes Anti Bird Anti Pigeon Spike For Get Rid Of Pigeons And Scare Birds Pest Control Supplies
Aliexpress UK
Height of spikes are 7cm and the base is approx 2.5cm. These spikes are only suitable for pigeons and not smaller or larger birds.
eBay
10/1pcs Stainless Steel Bird Spikes Pigeon Deterrent Anti-bird Spike Control Pest Repeller for Garden Fence Roof Window Balcony
Aliexpress UK
Setup in 2-3 minutes with steel spikes that are easy to install, adjust length and split into smaller parts for use in tight spaces. 🐦 HUMANE PRODUCT THAT FITS YOUR NEEDS - Keep the pigeons off the roof, away from ledges and from pooping everywhere.
eBay
Stainless Steel Pigeon Spikes Bird Repeller Deterrent Traps Anti-bird Repellent Pest Control Garden Balcony Thorn Nail Kit
Aliexpress UK
Bird Spikes with 10cm Long Spike for Pigeons Keep Birds Cats Squirrels Away, Birds Fence Spikes, Protect Your Roof Garden Railing and Outdoor Walls. And small spikes are also added at the gap which can avoid small animals standing on the gap.
eBay
1Set Stainless Steel Pigeon Spikes Bird Repeller Deterrent Traps Anti-bird Repellent Pest Control Garden Balcony Thorn Nail Kit
Aliexpress UK