Stainless Steel F1 Polished Solid Stainless Steel Calibration Weight

Tolerance +/- 2.5mg

If you want the test weight verified & certificated select DAkkS Certification. The Cert is included in the price, one certificate will cover a batch of weights providing they are on the same order and for the same customer. 

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