| Management number | 219325004 | Release Date | 2026/05/03 | List Price | $47.36 | Model Number | 219325004 | ||
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▶Made of pure stainless steel, with good texture and exquisite appearance. There are 4 hardness pens in the box, each 155mm long.▶Each hardness pen has writing needles with different hardnesses at both ends. The scales according to Mohs hardness are: 2&3, 4&5, 6&7, 8&9.▶The storage box is equipped with a grindstone striped plate magnet, and aluminum plates, brass plates and glass plates with different hardnesses can be used to identify the hardness of minerals.▶Hardness test kit is a multi-faceted shape carefully processed so that will be more convenient and durable to use.▶This hardness test pen is applicable for gemstone, ceramic tile, floor, glass, mobile phone screen, mineral, concrete, etc
| Batteries required | No |
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| Is Discontinued By Manufacturer | No |
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