Feature:1. Excellent Steel Material: This barbed wire extension arm is made of excellent quality steel material that is durable and rust resistant, and will last a long time outside no matter how bad the weather is.2. Height Extension: This barbed wire extension arm is perfect for increasing the required height of your chain link fence without any hassle. If the height of your fence needs to be increased due to different needs, these barbed wire extension arms will meet your criteria perfectly.3. Easy To Install: This barbed wire extension arm installation process is very simple, you just need to place the barbed wire extension arm on the fence and then tighten the screws.4. Wide Application: This barbed wire extension arm is suitable for a variety of materials, such as PVC, wood, metal, etc. It can also be used in different places, not only placing it on the hooked fence to make it higher, but also in different places.5. Prevent Poultry From Climbing: If your dog, chicken or other poultry always climb out of the fence and you don't want to dismantle the whole fence, this wire fence extension arms can help you, you can put them on the poultry fence to prevent the poultry from climbing.Specification:Item Type: Barbed Wire Extend ArmMaterial: Galvanized SteelSize: Approx. 37 x 7 x 2.5cm/14.6 x 2.8 x 1in.Package List:10 x Extension Arm1 x Screw Pack1 x Wrench