Stainless Steel F1 Polished Solid Stainless Steel Calibration Weight supplied with felt lined wooden box.

Tolerance +/- 100mg

If you want the test weight verified & certificated select either: UKAS Tested or DAkkS Certification. 

For UKAS Tested, remember to add the appropriate Certificate to your basket available back on the Stainless Steel F1 Weights page. 1 Certificate covers a batch of weights. For DAkkS, the Cert is included in the price. 

(DAkkS is the German equivalent to UKAS and is recognised by UKAS.)