JS-VG20 Digital Scale
20g x 0.002g Capacity Gemologlal & Grain Scale.
Calibration weight, weighing tray, hard shell case and batteries included. Measures in grams, grains, ounces, troy ounces, penny weights and milligrams.
High-precision grain accuracy scales ... excellent both in performance and price.Very accurate, easy to use, and has more features than many scales that cost much more.