1 Touchstone Kit. 【Widely Applications】Gold Testing Stone, Practical Jewelry Making Accessory, great for testing jewelry, coins, antique gold, silver, platinum collectibles etc. 【Easy to Use】Jewelry tester appraisal kit, liquid changes color based on purity, Very easy to use.
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Small, flat and extremely fine stone for authentication of precious metals such as gold, silver and platinum in jewellery by acid test or acid scratch test. Due to the uniform dark colour, even the smallest traces of material can be detected. The required chemicals are not included in the scope of delivery. .
eBay
Small, flat and extremely fine stone for authentication of precious metals such as gold, silver and platinum in jewellery by acid test or acid scratch test. Due to the uniform dark colour, even the smallest traces of material can be detected. The required chemicals are not included in the scope of delivery. .
eBay
MAYZUM Factory 600g Gold Jewelry Purity and Karat Testing Device. No need to burn or cut the gold sample, which can better protect the tested gold. RS-232C communication interface, it is convenient to connect PC and printer which can quick export and print density, karat and purity test data.
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Simply rub your item on our test stone then apply a drop of the solution onto the gold streak left on the stone and if the streak is unaffected, your material must be at least 18K gold or higher in karat.
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Widely used for testing PCB gold fingers(edge connectors) and pads. Feature: 1. Spring test probes are necessary parts for PCB testing to access components on printed circuit assemblies. 100Pcs Test Probe Pins For Through-Hole Components NEW.
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💝 Surprise a loved one with the gift of freedom – five free driving lessons beautifully presented in a luxury foiled voucher! 🚗✨ Foiled Theory Test Voucher – The Perfect Gift for New Drivers! Premium Foil Finish: Eye-catching holographic foil text for a luxurious, celebratory look.
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1 Touchstone Kit (Glove color random). 【Widely Applications】Gold Testing Stone, Practical Jewelry Making Accessory, great for testing jewelry, coins, antique gold, silver, platinum collectibles etc. 【Easy to Use】Jewelry tester appraisal kit, liquid changes color based on purity, Very easy to use.
eBay