Product: metal frame anchor Material: carbon steel. Finish: Zi Cr Cu Ni plated HDgalvanized ,Black Standard: DIN ANSI AST Product Namemetal frame anchorBrand Namesun-alpsStandard ModelDIN ANSI JIS ASTMFINISHBlack,Zinc Plated ,HOT GALVANIZED,Cr Cu or Ni PlatedMaterialCarbon Steel,Brass, Stainless steel,Spring steelMaterial Class4.8 6.0 8.8 12.9gradeProduct sizeM3-M48 1/4"-3"packing listIN carton ...