Features: Constructed of chrome-plated steel calibration weight for stability, corrosion resistance, and durability. This scale calibration weight is suitable for maintaining precise scale calibration and accuracy. > Suitable for digital pocket scale, jewelry carat scale, diamond scale, precision balance test, etc. This calibration weight is perfect for recalibrating the minimum scale with a full capacity of 5g / 10g / 20g / 50g / 100g. Specifications: Material: Chrome plated steel; Measurement range: 5g / 10g / 20g / 50g / 100g (total: 200g) Accuracy: M2 Body size: (Hx diameter) 5g : 17.5 x 8.9mm 10g : 18.4 x 12mm 20g : 22 x 15mm 50g : 30.2 x 20g 36.2x. 25mm 50g: 31x19.9mm Package Includes: 1 set calibration weight 1 clip