Mohs Hardness Test Kit, 2-9 Scratch Tester Hardness Test Pen, with 8 Pcs Hardness Tester Small Particle + Storage Box, for Industrial Mineral Identification,8pcs

Mohs Hardness Test Kit, 2-9 Scratch Tester Hardness Test Pen, with 8 Pcs Hardness Tester Small Particle + Storage Box, for Industrial Mineral Identification,8pcs

• 【QUALITY】: We offer this pen with impeccable hardness. It is more convenient to use.
• 【HARDNESS TESTING KIT】: Its multi-faceted shape has been carefully crafted for greater ease of use.
• 【TIPS】: The forged tips offer superior hardness and precision, allowing you to easily handle a variety of hard materials and providing greater convenience!
• 【MOHS HARDNESS 2-9 PEN SET】: 2# gypsum, 3# calcite, 4# fluorite, 5# apatite, 6# orthoclase, 7# quartz, 8# topaz, 9# corundum, good texture and exquisite appearance.
• 【WIDE APPLICATION】: Mohs hardness tester pen, hardness measurement, this hardness test pen is suitable for gemstones, jade, ceramic tiles, floors, glass, mobile phone screens, minerals, concrete, etc.