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

The Mohs Hardness Test Kit is an essential tool for geologists, mineralogists and hobbyists who want to accurately measure the hardness of various minerals and materials. Made of 304 stainless steel, this test kit is designed for long-term use and maximum accuracy, ensuring results that stand the test of time. When two minerals with different hardnesses scratch each other, they will leave scratches on the surface of the minerals with lower hardness. Specification: Product name: Mohs Hardness Tester Material: Stainless steel Measuring range: 2-9 levels Hardness standard: 2&3, 4&5, 6&7, 8&9 Product material: 304 stainless steel Size:230*185*47mm Weight: 500G Products include: 4×Hardness pen 1×grindstone 1×striped plate 1×magnet 1×Storage box Precaution: 1. Please allow 1-3cm (0.4-1.18in) difference due to manual measurement and slight color variation for different display setting. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.

• 【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.