Wolff-Wilborn Pencil Hardness Tester

The Wolff-Wilborn Pencil Hardness test offers a higher level of precision for a pencil scratch tester.

• Precision made to maintain a constant pressure force
• Built-in level to keep the tester parallel to the sample surface
• Adjustable weight to compensate for any change to the pencil
• Quick changeover of pencils to minimize down time
• Fixes pencil angle to the sample surface
• Compliant with ISO, ASTM, DIN, BS standards