The RICE LAKE WEIGHING SYSTEMS 12767 10 KG Calibration Weight is a high-quality and precise weighing system designed for professional use in a variety of industries. This calibration weight, with a nominal mass of 10 kg, is essential for ensuring accurate measurements and calibrations in labs, medical facilities, and industrial settings. With the trusted brand of RICE LAKE WEIGHING SYSTEMS and the California Prop 65 Warning regarding potential health risks, this product is a reliable and safe option for maintaining measurement standards.