Picture Hanging Wire is made from galvanized steel strands, braided together to create a strong, yet flexible wire perfect for hanging photos and pictures. Our wire is packaged on a roll, which makes it both easy to use and easy to store for future use, and it is also corrosion, kink, and rust-resistant. The tensile strength of each roll depends on the width of the wire, the 1mm wire can hold up to 99 lb and the 2mm can hold up to 251 lb. For best results, use crimping sleeves instead of knotting the ends of the wire. Whether your goal is to hang paintings, mirrors, or artwork, or hold duct pipes, curtains, or bird feeders, this wire is durable, strong, and sturdy enough for all uses.