Pro Grade 2-9 Hardness Scratch Tester Pen Kit, 4-Pack Stainless Steel Pens With Storage Box For Mineral, Jewelry, Jade, Glass, Gemstone And Tile Identification
✔️ 4 stainless steel pens (155mm) with a magnetized grindstone plate box
This four pack hardness scratch tester kit includes stainless steel pens (155mm long) with a compact storage box. Each end carries a different hardness scale: 2&3, 4&5, 6&7, 8&9, for identifying minerals, gemstones, glass and ceramic tiles. The box features a grindstone striped plate magnet and works with aluminum, brass and glass plates for testing hardness in labs, studios or field work. Color: One Color.
✅ 4 pens, dual end hardness scales 2&3, 4&5, 6&7, 8&9
✅ Stainless steel construction for durability and precise markings
✅ Includes a magnetized grindstone plate in the box for testing
✅ Works with aluminum, brass and glass plates for cross-material testing
✅ Compact 4 pack in one color for easy transport in labs and on site
💡 What is a hardness scratch tester kit used for in material testing, and how can it improve results?
Handy tool for quick on site hardness checks and lab confirmation.
- Material identification across gemstones, glass, ceramic tiles, and minerals
- Comparing results against standard hardness scales to gauge relative hardness
- Durable stainless steel design and portable kit for field or bench tests