Zoienu Mohs Hardness Test Kit (4 Pieces), Industrial-Grade Mohs Hardness Tester, 2-9 Level Scratch Test kit, for Minerals, Concrete, and Other Materials

Zoienu Mohs Hardness Test Kit (4 Pieces), Industrial-Grade Mohs Hardness Tester, 2-9 Level Scratch Test kit, for Minerals, Concrete, and Other Materials

• 【Wide Application】: For testing a variety of materials, including gemstones, ceramic tiles, floors, glass, mobile phone screens, minerals and concrete, this hardness test pen is a must-have in any toolbox.
• 【Mohs Hardness Pen】: The Mohs hardness pen is based on the hardness of 10 different minerals, and materials of different hardness are selected to simulate alternative minerals to create a mineral-like scratch pen, which is used to detect the Mohs hardness of various surfaces.
• 【Single double heads design】: 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.
• 【Portable】: it uses a boxed storage box that can store various accessories in categories, keeping them neatly stored and easy to carry. Is a multi-faceted shape carefully processed so that will be more convenient and practical to use.
• 【Service】: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day.