_x005F_x000D__x005F_x000D_These 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._x005F_x000D__x005F_x000D_Features_x005F_x000D__x005F_x000D_-Color: silver_x005F_x000D_-Material: steel, hard plating_x005F_x000D_- Paking Size: About 7.00X4.50X3.00cm/2.76X1.77X1.18inch_x005F_x000D_- Steel, hard plating material, good finish, good wear resistance._x005F_x000D_- Simple and generous product appearance design._x005F_x000D_- The product can effectively perform the function of checking the standard Chrome-plated weight of electronic scale M1._x005F_x000D_- It has a simple design, but very practical in use._x005F_x000D_- Lightweight and portable, easy to carry.Packing list: 5 x weight