Item Type: Security Fence Spike Material: Iron Weight: Approx. 460g / 16.2oz Product Size: Approx. 5x2.5x4.5cm / 1.97x0.98x1.77in Hole Diameter: 0.5cm / 0.2in Thickness: 0.2cm / 0.06in Package List 12 x Security Fence Spike 24 x Screw 24 x Expansion Tube 1SECURITY: A reliable intrusion deterrent designed to enhance the security of your house, effectively stopping potential intruders and providing extra security. 2UNIQUE DESIGN: The spike is an effective anti climbing security guard. They are designed to deter burglars and make it difficult for them to climb over your fence, providing reliable security. 3DURABILITY: Made of sturdy iron material and is treated with a two layer rust resistant coating to ensure that they remain functional for a long time, even in the harshest weather conditions. 4EASY INSTALLATION: Each set contains 12 fence spikes and 24 screws and expansion tubes. They are easy to install on top of the fence and fit securely. 5MULTIFUNCTIONAL USE: Not only suitable for home fencing, they can also be used for security in public places. They are an economical and effective security measure to increase the safety of your home.