XDTKJDZ Mohs Hardness Test Kit, Scratch Tester Hardness Test Pen, 2-9 Scratch Tester, with Storage Box, for Industrial Mineral Identification Kit Gem Jade Jewelry
Please be aware orders placed now will not arrive in time for Christmas, please check delivery times.
XDTKJDZ Mohs Hardness Test Kit, Scratch Tester Hardness Test Pen, 2-9 Scratch Tester, with Storage Box, for Industrial Mineral Identification Kit Gem Jade Jewelry
★ Excellent Quality: We offer you this impeccable hardness pen. It is more convenient and durable to use.
★ Hardness test kit: It is a multi-faceted shape that has been carefully processed to make it more convenient and durable to use.
★ Tips: Forged tips offer superior hardness and precision, allowing you to handle a variety of hard materials with ease and providing greater durability!
★ Wide application: Mohs hardness tester pen, hardness measurement, this hardness test pen is suitable for gems, jade, ceramic tiles, floors, glass, mobile phone screens, minerals, concrete, etc.