Scratch Test Pen Newton Pen, Newton Hardness Test Pen, Test Head Diameter 0.75 Mm, 0~3N (blue Mark)/0~10N (red Mark)/0~20N (yellow Mark), for Coatings Plastics Wood Metal Materials

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🛠️ Measure Hardness Like a Pro — Don’t Let Surface Flaws Slip Away!

The Scratch Test Pen Newton Pen is a precision hardness tester featuring a durable 0.75mm tungsten carbide tip and three pressure ranges (0~3N, 0~10N, 0~20N) for versatile testing of coatings, plastics, wood, and metals. Its compact stainless steel design allows for easy portability and accurate measurements on both flat and curved surfaces, making it an essential tool for engineers and quality control professionals.