200g Weight Set: This kit includes 4 pieces 200g calibration weights with 2% accuracy, designed for balance testing and weight determination, which is compact and practical. With Storage Box: These double hook weights are stored in a compact storage box for convenient storage and carrying, and provide good guard to calibration accuracy. Double Hook Design: These 200g weights are equipped with hooks for convenient tool pickup and placement, preventing inaccurate measurements caused by manual operation. Chrome Plated Steel: These calibration weights are made of excellent chrome plated steel, which has high hardness, resistance, no deformation, and a long service life. Wide Applications: This calibration weight set is very suitable for use in laboratory, classroom, or , for studying pressure, force, torsion, and other experimental projects. Item Type:200g Weight Set Colour:Silver Material:Metal Package Contents: 4 * Steel Weights Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.