These SS Calibration Weights range from 500 g to 20 kg and comply with the OIML R111 standard, ensuring high accuracy for laboratory and industrial calibration needs. Made from durable 316 stainless steel with solid single-piece construction, they provide excellent stability and long-term reliability. Designed without cavity adjustments, they offer maximum structural integrity. Each weight set is supplied with a Calibration Certificate, guaranteeing verified performance and traceability.