Brand New Heavy Duty Metal Interlocking Brackets There are many uses for these such as hanging headboards to the wall, Hanging heavy mirrors, replacing sofa connectors etc. Each set consists of 2 pair brackets. One bracket will attach the item you are wanting to hang and the other to the surface you are wanting to hang it to, then simply lift the item into place and let the brackets interlock. Specification: [Name]: Heavy Interlocking Concealed Hook Flush Mounting Bracket [Color]: Sliver [Material]: Heavy Duty Metal [Size]: 120 mm x 50 mm each Package Contents: 2 Pair x Flush mounting buckles sofa connectors