ASTM Class 5 metric calibration sets are used for testing non-classified scales, Class III scale or balance field standards, and tolerance checking.
- Stainless steel weights designed to meet NIST Handbook 44 and ASTM E617-18
- Class 5 tolerances
- Sealing cavity for adjustment for most weights
- Serial numbers may be stamped on weights (option)
- Nominal value marked on weights