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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
✔ Passcode protection & overload protection
Completely integrated unit
Retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone
Dual Turntables: Two built-in turntables provide smooth 360° rotation
Gold Testing Stone in Box – Natural Arkansas Size:150 x 50 x 10 mm ✔ Passcode protection & overloadTest gold jewelry accurately and professionally with this natural jet black hard Arkansas gold testing stone, specially selected for reliable karat testing and precious metal verification. Crafted from high quality Arkansas stone, this durable gold testing touchstone features a smooth, dense surface that provides clear and visible test streaks when used with gold testing acids. The deep jet black color ensures strong contrast, making it easier to
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