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stone & other extremely hard materials
1001) Automatic
Italian made
The tool provided with 3 adjustable clamping jaws (height 3
When drilling larger holes and the web of the drill is wider than the indentation produced by a center punch
Presidium ARI Synthetic Diamond Screener Conoscope Rod stone & other extremely hardARI is developed as a handheld PRESIDIUM DIAMOND VERIFICATION INSTRUMENT to help identify colourless diamonds against CVD HPHT lab grown colourless diamonds and all types of moissanite. It is suitable for testing on both loose and mounted stones, including jewellery pieces with a closed back setting. Through advanced proprietary technology, ARI measures the UV light absorbance ability of diamond and moissanite. With its touch screen colour LCD
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