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ToolUSA Gold & Silver Testing Keys Set | Determine 10k, 14k, 18k Gold & Silver Purity | Essential for Standard Scratch Test
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Product Details
VERSATILITY IN TESTING: Comes with four keys for determining the quality of 10k, 14k, 18k gold, and silver.
STANDARD SCRATCH TEST: Designed for use with the widely accepted standard scratch test method.
ADDITIONAL TOOLS REQUIRED: Must be paired with a testing stone and specific acids (not provided) for accurate results.
ENSURE AUTHENTICITY: An effective and precise way to verify the quality and authenticity of precious metals.
DURABLE AND RELIABLE: Sturdy keys designed to withstand frequent use and provide consistent results.