Mohs Hardness Test Kit - Professional 4 Pack Stainless Steel Picks, Aluminum Plate, Brass Plate, Glass Plate & Magnet for Jade Identification and Mineral Exploration,Natural

The Mohs Hardness Test Kit is an invaluable resource for geologists, mineralogists, and hobbyists who wish to determine the hardness of various minerals and materials with precision. Constructed from durable 304 stainless steel, this kit is designed for long-lasting performance and dependable results.**Specifications:**- **Name:** Mohs Hardness Test Kit- **Material:** Stainless Steel- **Hardness Scale:** Comprehensive evaluation including levels 2 & 3, 4 & 5, 6 & 7, and 8 & 9- **Dimensions:** 230mm x 185mm x 47mm- **Weight:** 500g**Product Includes:**- 4 × Hardness Pens- 1 × Storage box

• 【Stainless Steel Material】This hardness test kit is made of pure stainless steel. It contains four hardness pens, each 155 mm long, designed for precise testing.
• 【Mohs Hardness Pen】Each pen has a writing needle at both ends, which is calibrated to set different hardness based on the Mohs hardness scale. The hardness combinations are: 2&3, 4&5, 6&7 and 8&9, providing comprehensive testing options.
• 【Multiple Test Plates】The included storage box is cleverly designed with sandstone stripe plate magnets, which makes it easy to identify the hardness of various materials such as aluminum plates, brass plates, and glass plates of different hardness.
• 【Wide Application】The multi-faceted shape design of the hardness test pen ensures convenience and durability during use. This tool is suitable for testing a variety of materials, including gemstones, ceramics, floors, glass, mobile phone screens, minerals and concrete.