These steel calibration weights are essential for maintaining the precision of your scales. Suitable for both jewelry and laboratory use, they ensure accurate calibration for balance and digital scales. The weights are crafted for durability and reliability, making them an indispensable tool for professionals who demand precise measurements in their work. Features -Color:Silver -Material:Steel -Size:3.80X2.15X2.15cm/1.49X0.84X0.84in -Size:0.80X0.50X0.50cm/0.31X0.20X0.20in -Highprecision steel: these calibration weights are made from highprecision steel, ensuring stability and accuracy for professional calibration -Variety of weights: the set includes a variety of weights (1 g, 2 g, 5 g, 10 g, 20 g, 50 g, 100 g), suitable for a wide range of precision weighing tasks -Smooth finish: precision machining provides a smooth finish, reducing friction and enhancing the accuracy of your measurements -Portable design: the compact and portable design makes these weights easy to transport and store, ideal for lab testing -Durable tools: designed for longterm use, these weights maintain their performance over time, reducing the need for frequent replacements in highfrequency calibration scenarios Package list: 21 x Calibration Weights (1g, 2g, 5g, 10g, 20g, 50g, 100g)