Package includes 4 x silver testers Features -Material: Stone - Size: 7.70X4.50X0.60cm/3.03X1.77X0.24in -Expert-grade gemstone and metal testing: this gemologist testing kit combines advanced jewelry testing tools with a stone tester for jewelry, allowing for precise identification of stones or precious metals gold testing stone -Portable kit for the market: the portable jewelry testing tool is designed for mobility, assisting buyers and sellers during market exchanges or travel with immediate jewelry testing assurance jewelry stone tester -Fast and reliable results: the professional gold testing kit provides quick and accurate assessment of gold and silver jewelry, ensuring smooth transactions and confident purchases gold and silver tester -Color: Black -Reusability: equipped with a jewelry testing stone, this kit supports repeated use, maintaining accurate checks of jewelry authenticity without the need for replacement gold and silver testing kit -Comprehensive jewelry screening: the gold and silver testing kit works for goldsmithing and general jewelry testing, covering gold, silver, and platinum requirements for collectors and professionals jewelry silver testing kit -Product information: Goods Informationgold testing kit stone Simplify purity verification with the gold purity testing kit and metal testing stone included in this professional jewelry testing kit. metal purity tester for jewelry The gold testing tool works on a range of metals, such as platinum and silver, with a jewelry testing kit box designed for easy transport. gold testing tool for panning Whether at home or at an exhibition, enjoy reliable results from this jewelry metal testing kit