The vintage OHAUS brass calibration weight set should have 10 pieces ranging from 1 gram to 200 grams, this set is missing the 1g weight. The set is perfect for healthcare, lab, and dental professionals who require accurate weight measurements.

Each weight is made of brass, ensuring durability and long-lasting use. The set is ideal for those who need to perform precise weight measurements on a regular basis. Whether you're a laboratory technician or a dental hygienist, this calibration weight set is an essential tool for your practice.