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I have a count scale (20Kgms) on the warehouse to count bolts and nuts and i like to verify in a daily basis I like to buy a test weights for it. My idea is to buy 5kgms (2) and 10Kgm (1) to seta a 5-10-15 and 20 verification, I don’t know what is the right class of tests weight that I need to buy the supplier suggest class F but I’m not an expert, I appreciate any suggestion.
Thanks.

Thanks.
