These fit the the half round and square style gutter.
eBay
12Pcs Fence Wall Spikes Bird Deterrent Spikes Plastic Anti Climb Cat Animal Repellent For Garden Fences Birds Pigeons Spikes
Aliexpress UK
This stainless steel bird spike set is perfect for repelling birds from roosting on your property. The set comes with 5 metres of spikes and 30 gutter clips, with 6 clips per metre. Made by avipoint, a trusted brand in bird control, these spikes are designed to deter birds without harming them. They are suitable for use on rooftops, ledges, and other surfaces where birds tend to perch. The bird spikes are easy to install and will provide long-lasting protection against bird infestations. The set is ideal for use in gardens, patios, and other outdoor areas, and is suitable for deterring a variety of bird species. Keep your property clean and bird-free with this effective bird spike set.
eBay
12Pcs Fence Wall Spikes Bird Deterrent Spikes Plastic Anti Climb Cat Animal Repellent For Garden Fences Birds Pigeons Spikes
Aliexpress UK
They're an ideal choice for those seeking a humane and effective way to guard their property against birds and pigeons without compromising on aesthetics.
eBay
12Pcs Fence Wall Spikes Bird Deterrent Spikes Plastic Anti Climb Cat Animal Repellent For Garden Fences Birds Pigeons Spikes
Aliexpress UK
24Pcs Plastic Fence Wall Spikes Bird Deterrent Spikes Anti Climb Cat Animal Repellent For Garden Fences Birds Pigeons Spikes
Aliexpress UK
6pcs Bird Cage Accessories Birds Vegetable Clip Food Rack Parrot Clip Bird Thumb Box Bird Fruit Fork Bird Egg Holder Tray
Aliexpress UK
2-12PCS Balcony Anti-bird Pigeon Spikes and Bird Repeller Deterrent Anti Bird Repellent Stainless Steel Anti Bird Thorn Nail Kit
Aliexpress UK
Plastic Bird Spikes Pigeon Deterrent Bird Repeller Anti Cat Raccoon Squirrel Spikes Pest Control For Railing Roof Garden Fence
Aliexpress UK
Ecowitt Detachable Metal Bird Spikes Bird Deterrent Spikes for WH40 / WS69 / WS80/ WS85 / WS90
Aliexpress UK