American S/P 40 preparative prep pilot lab scale digital balance 40 kg S/P40

Used working American scientific Products model S/P 40 laboratory digital scale 40 kg maximum with 100 mg increments.115v. It shows 20.0 g with the 20g weight. If you are not satisfied. you can return the product within 30 days for a full refund excluding shipping expenses. Lot E2top