These calibration weights are suitable for ensuring the accuracy of your digital and balance scales. Made from durable steel, they provide stable performance for calibrating jewelry scales and other precision instruments. The set is ideal for professionals who need to maintain the accuracy of their equipment for consistent results. Features -Color:Silver -Material:Steel -Size:3.80X2.15X2.15cm/1.49X0.84X0.84in -Size:0.80X0.50X0.50cm/0.31X0.20X0.20in -Durable steel construction: crafted from durable steel, these calibration weights provide high accuracy and stability for precise measurements -Versatile weight range: with weights ranging from 1 g to 100 g, this set is suitable for a variety of precision weighing equipment, including balance scales and jewelry scales -Precision engineering: the weights are with a smooth finish, minimizing friction and ensuring accurate calibration results -Portable and convenient: the compact and portable design allows for easy transportation and storage, making them suitable for use in various locations -Ideal accessory: these calibration weights offer longterm reliability, reducing the need for frequent replacements for regular calibration needs Package list: 21 x Calibration Weights (1g, 2g, 5g, 10g, 20g, 50g, 100g)