Sculpture House's armature wire is used to build your own armature, the internal support structure used to hold the weight of modeling clay. Manufactured under our rigid design specifications and production standards, this wire is non-corrosive, lightweight, fully pliable and non-stainable aluminum wrapping wire. For modeling figures up to 15". 10 gauge (SWG); 1/8" in diameter; 20-feet long. Weight and length is approximate.