Feature: 1. 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. 2. Chrome Plated Steel: These calibration weights are made of excellent chrome plated steel, which has high hardness, corrosion resistance, no deformation, and a long service life. 3. Double Hook Design: These 200g weights are equipped with hooks for convenient tool pickup and placement, preventing inaccurate measurements caused by manual operation. 4. Wide Applications: This calibration weight set is very suitable for use in laboratory, classroom, or at home, for studying pressure, force, torsion, and other experimental projects. 5. With Storage Box: These double hook weights are stored in a compact storage box for convenient storage and carrying, and provide good guard to ensure calibration accuracy. Specification: Item Type: 200g Weight Set Material: Chrome Plated Steel. Package List: 4 x 200g Weights 1 x Storage Box