The barbed wire arm is made from hot - dip galvanized steel, durable and rust - assistant, and can be informs The for a long time. The barbed wire arm is made of hot dip galvanized steel, durable and rust - assistant, you can use for a long time. Design is suitable for wood, concrete wall fence, bolt including when you purchase our barb arm. These extensions installed on the existing fence, eliminate the need to remove and reinstall the crossbar. Just added to an existing railway expansion quickly and easily. Can extend from the vertical position in any Angle of 90 degrees. Premium Material: The barbed wire arm is made of hot dip galvanized steel, durable and rust - assistant, you can use for a long time. Design is suitable for wood, concrete wall fence, bolt including when you purchase our barb arm. These extensions installed on the existing fence, eliminate the need to remove and reinstall the crossbar.Can extend from the vertical position in any Angle of 90 degrees. Easy to Install: Don't worry about your inability to install and the complicated installation process. The security fence barbed wire is easy to install by simply placing it on the fence that needs to be increased in height and tightening the screws. Wide Applications: The chain-link fence arm can be used in different places, Whether you want to add height onto your chain link fence, stop your dog from jumping out, or are creating trellises for your growing grapevines, these extension arms will be the perfect addition. UPC 723735323038 ASIN B0BCKR1CQX Color silvery Brand Name Yerdos Item Depth less than 1 inches Unit Count 7.0 Count Item Weight 2 Pounds Finish Types Hot-Dip Galvanized Manufacturer shengyi Model Number shengyi012 Material Type Alloy Steel Mounting Type Wall Mount Item Type Name no Item Dimensions 12 x 2 x 1 inches Included Components Wrench Manufacturer Part Number shengyi012