The Ohaus Europe GmbH weight sets are adjusted to meet or exceed OIML M1 tolerances. Weights up to 500g come with a polycarbonate case, while those above 500g include a wood hinged case. Weights from 1g to 5kg include a polycarbonate case, and 10kg to 50kg rectangular weights do not include a case. These weights are classified as OIML M1 and sourced from FR. Weights are made from aluminum and brass
Weights are made from nickeled brass or stainless steel