Specification:

1. Calibration weight set: 7 pieces of calibration weights including 1 g, 2 g, 5 g, 10 g, 20 g, 50 g, 100 g, various scales for precise measuring, 1 piece of tweezers for convenient picking and error reducing
2. Good material and workmanship: steel construction of calibration weight with chrome plated finish for good stability, corrosion resistance, and low magnetic susceptibility, good quality and durable
3. Convenient and easy use: this set of scale calibration weights is a good choice for keeping your precision scale calibrated and accurate
4. Come with tweezers: the anti-static tweezers makes it more convenient to pick weight, and avoid direct touching to make sure the weighing data
5. Wide suitable occasion: suit for general laboratory, commercial, educational use, and so on; The permissible error is -0.005 to +0.005 g