Color:Silver, BlackPlace of Origin:Hebei, ChinaBrand Name:FIXDEX&GOODFIXMaterial:Steel,drop in concrete anchorsStandard:DINDiameter:12mm, 5mm, 6mm, 8mm, 10mm, 14mm,, 16mm, 18mmSurface treatment:Zinc plated drop in anchor boltZinc plated:CustomizedGrade:4.8 8.8 10.9 12.9