Jeweller's Gold Testing Needle. Contains one of each: 8K, 10K, 12K, 14K, 18K, 999 Silver. Use for testing the purity and carat of gold and silver. A set of 6 gold testing needles. We aim to match the lowest price for all our products.
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Item Type: Touchstone. Uses: Touchstone, Jewelry Tools. 2 x Touchstone. If you are satisfied with our service, pls. Constructed of quality material for maximum durability.
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50MM X 40MM X 10MM. If a magnet responds to jewellery, it is not fine silver or anything near pure gold.
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Simply rub your item on our test stone then apply a drop of the solution onto the silver streak left on the stone. Results are as follows: Bright red =. 999 fine Silver. Dark red =. 925 sterling silver.
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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 Applications】: Gold testing stone, practical jewelry making accessory, ideal for testing jewelry, coins, antique gold, silver, collectibles etc. Stone and Water: 1Pcs Gold Testing Stone, 1Pcs Gold Testing Water(3ml).
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Connect to a breadboard or test jig using standard jumper wires. A handy HDMI breakout board with both male and female connectors and all 19 pins brought out to 2.54mm headers perfect for test bench use, repair work, or prototyping.
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This Neodymium Rare Earth Magnet is an essential tool for anyone looking to test scrap Gold. The material of the magnet is a high-quality Neodymium, ensuring its strength and durability. This magnet is also suitable for use with Silver, making it a versatile tool for anyone in the jewellery industry.
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