Scratch Tester(10 Pcs), Mohs Hardness Concrete Coating Scratch Test, with Storage Box,for Mobile Phone Screen, Mineral

The hardness pen uses 304 Made of stainless steel, it uses a boxed storage box that can store various accessories in categories, keeping them neatly stored and easy to carry. Specifications: Product name: Mohs hardness pen Material: stainless steel Measuring range: 1-10 grades Test grade: Talc-1,Gypsum-2, Calcite-3, Fluorite-4, Apatite-5, Orthoclase-6, Quartz-7, Topaz-8, Corundum-9, Diamond-10 Size: 130 mm Diameter: 6 mm Product includes: 10*hardness pen 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.

• 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.
• 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.
• 10 Test grade：Talc-1,Gypsum-2, Calcite-3, Fluorite-4, Apatite-5, Orthoclase-6, -7, Topaz-8, Corundum-9, Diamond-10.
• Note：Note that the intensity of the engraving should be moderate, neither too light nor too heavy, because the direct engraving method to determine the hardness is damaging to gemstones. This method is generally not allowed to be used on finished gemstones.
• Wide Application：Commonly used for Mohs hardness determination on the surfaces of various types of solidified floors, floor tiles, ceramic tiles, concrete floor construction industry, glass, ceramics, marble products, ores and minerals, industrial porcelain.