XNZJHPP Mohs Hardness Test Kit - 2-9 Hardness Tester with Stainless Steel Picks, 4 Hardness Pens & Storage Box, Dual Heads Design, Portable & Easy to Use for Minerals & Gemstones
XNZJHPP
【4 Hardness Test Pens】Each pen features dual hardness tips based on Mohs scale: 2&3, 4&5, 6&7, and 8&9. Ideals for testing the hardness of Gemstones, Ceramic Tiles, Glass, Mobile Phone Screens, and more. 【Mohs Hardness Testing Method】Hold the pen at a 70-degree angle, press the tip onto the materials, and scratch a 20mm line to assess the relative Mohs hardness. 【Premium Materials】Crafted from pure stainless steel, these 155mm pens offer durability and an elegant design. The multi-faceted shape ensures ease of use. 【Measurement Aid Included】The storage box features a grindstone striped plate magnet, along with aluminum, brass, and glass plates for mineral hardness identification. 【Wide Application】Perfect for determining Mohs hardness on various surfaces, including Floors, Ceramic Tiles, Concrete, Glass, Gemstones, and Industrial Porcelain.
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