These test weights come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.

To ensure accurate calibration of legal-for-trade scales, these test weights come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.

Often used to calibrate precision scales, these highly accurate test weights come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.

Keep a variety of test weights on hand to calibrate your scales.

Our most accurate test weights, these are often used to calibrate precision scales.

Designed for legal-for-trade scales.

To confirm accurate calibration of legal-for-trade scales, these test weights come with a certificate of calibration traceable to ASTM that states they’ve passed a test for accuracy.

A certificate of calibration traceable to NIST states that these weights have passed a test for accuracy.

The top hook lets you attach these weights to hanging scales, and the bottom hook lets you connect multiple weights in a series.

To ensure reliable calibration of legal-for-trade scales, these test weights come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy.

Stack multiple grooved weights together to calibrate your scales.