Calibration Weight in a weight box for calibration weight scale in Physics Laboratory. This is 10 milligram to 100 gram ( 1 gm, 2 gm, 5 gm, 10 gm, 20 gm, 50 gm and 100 gm) with plastic tweezers in a Red Box. Made in China. S.T INTERNATIONAL is a supplier and wholesaler of calibration weights in Bangladesh.
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