• Highest Precision Calibration Test Weight :100g , 200g , 500gm OIML M2 Class Calibration Standard Weight ensures the highest precision and accuracy for your digital scales, meeting OIML Class M2 standards. ( No Certificate Supplied ) • Durable Chromed Steel Construction: Crafted with chromed steel and featuring an adjustment seal on the bottom, this calibration weight is not only durable but also resistant to corrosion and low magnetic susceptibility. • Wide Range of Applications: Suitable for various settings, including digital jewelry scales, general laboratory use, commercial applications, and educational purposes, providing versatility in calibration needs. • Mirror Finish with Cylindrical Knob Shape: The single-piece calibration weight boasts a mirror finish and is designed in a cylindrical knob shape, combining functionality with an aesthetic appeal. It comes with Heavy-duty ABS Case for saftey and easy handling,