Product Overview: Specifications: Color: Black Dimensions: 50 x 4.5 x3.5 cm Material: plastic Features: 1. The anti-cat spike quickly and effectively prevents birds, cats, pigeons, foxes and even people from entering, protects your property from damage. 2.Pic Anti Pigeon are made of Environmentally friendly polypropylene plastic, durable and after UV treatment, they can withstand strong sunlight without breaking. 3. The bird pick can be placed on a fence, shed, roof, deck, gate, perimeter wall to help you scare off intruders and animals. 4. The anti-pigeon spike easily attaches with nails or cable ties where you place it. Packing list: 10x Anti-pigeon spikes -birds Note: 1. Please allow 1-3cm error due to manual measurement. 2.Each defensive spike has a screw hole.