ASTM precision laboratory metric sets with a 20 gram range have a stainless steel polished finish and are designed to meet ASTM E617-13 specifications.
- Stainless steel polished finish
- Designed to meet ASTM E617-18 specifications
- ASTM Class 0 weight sets and individual weights are not individually marked with their weight value or individually serialized per ASTM E617-18
- Nominal value marked on weights
- Serial numbers applied to case (weights may be marked with symbol)
- Density 7.95g/cm3