Easy Driver anchor Material: Steel Zinc alloy Application : plasterboard drive Size: 13 & 14 & 15 Product NamezEasy Driver ... Namesun-alpsStandard ModelDIN ANSI JIS ASTMFINISHBlack,Zinc Plated ,HOT GALVANIZED,Cr Cu or Ni PlatedMaterialSteel , Zinc alloyMaterial Class4.8 6.0 8 ... us for more details.1, Our packing:2, Our warehouse: Zinc Alloy Easy Driver anchor