10-Precision Testing Needles: Equipped with 10 graded needles (Mohs hardness 1-10), accurately identifies mineral and rock hardness levels for professional-grade results.
Unique Ten-Pointed Star Shape: Ergonomic star design ensures a secure grip and easy handling, making hardness testing efficient even in fieldwork or lab environments.
Versatile for All Users: Perfect for geologists, rock collectors, educators, and hobbyists—ideal for mineral identification, academic research, or educational projects.
Durable & Reliable: Crafted with high-quality materials, the needles resist wear and maintain sharpness, ensuring long-lasting performance for repeated use.
Complete Testing Solution: Includes clear instructions for quick setup, making it user-friendly for beginners while meeting the precision demands of experts.