The Lot 2 3M/Rice Lake Stainless Steel 2KG and 5KG Calibration Weight With Case is a set of precision stainless steel calibration weights designed for use in medical, lab, and industrial settings. These weights are essential for ensuring accurate measurements and calibrations in various applications. The included case provides convenient storage and protection for the weights, making it easy to transport and store them securely. This product is a reliable and essential tool for professionals in the healthcare, lab, and industrial fields who require precise measurements and calibration.