Hang Art, Photos, Mirrors safely with non-rusting Stainless Steel Wire. Unlike Steel & traditional Brass Picture Wire (which has a steel core), Stainless Steel Wire will not rust over time, so can even be used in damp areas such as kitchens & bathrooms • Always choose Wire with a breaking strain at least 4x the weight of the item you wish to hang. This Wire hangs up to 7kg having a breaking strain of 29kg • At 1.25mm diameter (Inc. Coating) it's equally suitable for hanging very small pictures • Specially tempered to make it easy to tie, with a soft, clear vinyl coating that's comfortable to handle • Always use a secure Lark's Head Knot or similar non slip knot - see picture.