The perfect accessory for weighing small treasures such as loose diamonds, gemstones, coins & scrap jewelry, this DigiWeigh jewelry scale is popular among professionals as well as hobbyists. The CARAT mode is perfect for rough OR faceted stones, lapidary slabs, et cetera; The GRAM and OUNCE modes are perfect for weighing scrap jewelry, bullion & other precious metals. Ounce mode is also great for measuring food portions. The GRAIN mode is commonly used to weigh archery arrows & gunpowder for reloading. High quality strain gauge load cell system makes it accurate in full capacity range. High density ABS housing and metal support makes it very durable. Large high contrast LCD display makes the readouts clear to read. TARE function makes it much easier to weigh liquid or powder. Attractive blue back lit used in dark. User can switch off the back lit to save power. Crystal clear cover can be also used as tray. Two 50.00 gram calibration weight are included.