Individual Test WeightsThese individual test weights can be used to periodically verify your scale's readings. Recommended for scales with a minimum division size of 1 g. The M1 test weights include a vendor statement of accuracy. Grip handle, cast iron Weight: 20 kg Tolerance: 1 g Manufacturer Part Number: K853556 Class: Class M1 (OIML R111) with statement of accuracy; non traceable
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