DescriptionThese calibration weights are made of quality steel and hard plating material and its weight is designed to be accurate. It is suitable for digital scale to do experiment in a or just at home. The finish is well polished, practical to use.Features-Color: silver -Material: steel, hard plating - Paking Size: About 7.00X4.50X3.00cm/2.76X1.77X1.18inch - Steel, hard plating material, good finish, good wear resistance. - Simple and generous product appearance design. - The product can effectively perform the function of checking the standard Chrome-plated weight of electronic scale M1. - It has a simple design, but very practical in use. - Lightweight and portable, easy to carry.