... weights polishing weights BrandFUYUEMaterialstainless steelDimension10g,...,20kgColorSilverClassOIML F1, F2, M1Density7.9-7.96g/cm³Susceptibility≤0.01 PackagingAlunimun box with foamApplicationSuitable for laboratory ... , chemical, medical, commercial and educational useOur practice for laser marking: weights: "200" on the surface ...