Dealglad 1g 5g 20g 50g 100g 500g Grams M1 Chrome Plating Steel Scale Calibration Weight for Digital Balance Scale Jewellery Scale (1g) This calibration weight is ideal for re-calibrating digital scales Made of 45# steel, this weight is absolutely not rust and defect free Weight: 1g Grade: M1 Size: Approx.0.5cm*0.5cm*0.7cm