Complete Package for Easy Installation: to make your installation process simpler, we provide you with 12 security fence spikes, along with 24 expansion screws and 24 hex head screws; The spikes are designed to deter animal from landing and nesting effectively; They combine long anti spikes and short spikes to ensure comprehensive protection against different types of animal on your property Versatile Use: thanks to their suitable size and adaptable design, our anti climb spikes can be quickly and easily installed not only on fences but also roofs, walls or any other surfaces; The size is about 1.97 x 1.77 x 0.98 inches/ 50 x 45 x 25 mm; Each one can be split and divided into the size you want according to your needsc Robust Quality: crafted from metal, our fence spikes offer sturdiness, longevity and efficiency; The spikes, painted in black, give an aesthetic touch while offering rust resistance, suitable for fences, roofs, walls and different environments Easy to Use: this, coupled with the suitable size of the fence spikes animal deterrent, allows for easy assembly and customization; Use nails or screws, double sided tape, glue, and strong zippers to secure the spikes to smooth surface Humane Animal Control: while ensuring an efficient drive away against unwanted creatures, our fence spikes security anti climb are designed to be a humane animal drive away that does not cause injury; This ensures that you cannot harm animals Features: Designed with quality, our security spikes metal serve multiple functions effectively. They help in deterring unwanted animals, prevent trespassing, and offer a protective barrier to secure your property. With our strong gate spikes, you can significantly boost your property's safety against trespassers and unwanted creatures. They're a mix of functionality and design, while fitting seamlessly with aesthetic. Specifications: Material: metal Color: black Size: Security fence spikes: about 1.97 x 1.77 x 0.98 inches/ 50 x 45 x 25 mm Package includes: 12 x Fence spikes 24 x Expansion screws 24 x Hex head screws Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Please stay away from children in case of pointed risk.