Mohs Hardness Test Kit, 1-10 Scale Tester Pen With Ten Star Design, Mineral & Rock Hardness Pen, Mineral Identification Tool, For Geologists, Collectors, for Diamond Stone and Tile Identification
YIYIRAN
10-Piece Precision Hardness Pins: 10 pins graded Mohs 1–10 enable accurate hardness identification of minerals and rocks for professional testing. Wear-Resistant Durability: Premium materials resist abrasion and maintain sharpness for long-term reuse and consistent performance. Ergonomic Star Grip Design: Unique 10-point star shape ensures secure hold and smooth rotation, boosting lab/field testing efficiency and comfort. Standard-Compliant Safety: Meets industry safety & quality standards, ideal for educational labs, mining, and quality control inspections. Multi-Role Versatility: Perfect for geologists, educators, collectors & hobbyists—great for mineral classification, research & hands-on learning.
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