Pro ClockSmith/Jeweler Tools-Complete Purity Test Kit with Jewelry Scale, Loupe, File, and Gold and Silver Bars Set Enables you to test & weigh samples at home or on-the-go before you invest Digiweigh digital DW100AS scale measures grams (g), ounces (oz), carats (ct), grains (gr/gn); Lifetime Warranty Six (6) half-ounce bottles of PuriTEST test acids- 10k, 14k, 18k, 22k, Silver, and Platinum solutions Genuine PuriTEST 30x magnifying loupe with case, 2 test stones, and long needle-file Includes two bullion bar samples: one mini solid piece of silver and one 5 gram bar layered in 24k-pure gold