Our Calibration Weight Set is designed of precision and reliability, accurate and dependable, making it perfect for calibrating digital scales and other measuring instruments. Ideal for laboratory use, with consistent and accurate results. Features -Color:Silver -Material:Chrome plated steel -Size:5.00X3.20X3.20cm/1.97X1.26X1.26in -Size:4.00X2.60X2.60cm/1.57X1.02X1.02in -Size:3.30X2.10X2.10cm/1.30X0.83X0.83in -Size:2.30X1.60X1.60cm/0.90X0.63X0.63in -Size:2.00X1.30X1.30cm/0.79X0.51X0.51in -Calibration weights: crafted to ensure high precision and reliability, making it indispensable for all your measurement needs -Weight set: meticulously designed to cater to a wide range of experimental and measurement requirements -Suited for use: fit digital scales and instruments, this set is ideal for laboratories -Weight distribution: accurate measurement results consistently, ensuring dependable performance -Easy to use: portable, and convenient to store, making them a practical choice for various application Package list: 1 x calibration weight 10g 2 x calibration weights 20g 1 x calibration weight 50 g 2 x calibration weights 100g 1 x calibration weight 200g 1 x tweezer 1 x storing box