TOODOO 1g 2g 5g 10g 20g Gram Set for Digital Scale Balance and 1 Piece Calibration Weight Tweezer, Silver

Calibration weight set: come with 5 pieces of calibration weight (includes 1 g, 2 g, 5 g, 10 g, 20 g), and 1 piece of tweezer Function of calibration gram: metric calibration weight for calibrating the weights, or electronic balances and scales Good material: steel construction of calibration weight for stability, resistance to corrosion, low magnetic susceptibility and with chrome plated finish Suitable application: suit for digital pocket scale, jewelry carat scale, diamond scale, precision balance test Come with a tweezer: anti-static, make it more convenient when picking calibration weight