FUYUE WEIGHTS Standard stainless steel weights OMIL R111 or ASTM weights Knob cavity weights polishing weights BrandFUYUEMaterialstainless steelDimension10g,...,20kgColorSilverClassOIML F1, F2, M1Density7.9-7.96g/cm ... , chemical, medical, commercial and educational useOur practice for laser marking: weights: "200" on the surface for 200g; For another 200g, it ...