Easy operation with adjustable speed: Features a test speed range of 0-10 mm per second and adjustable weight levels for precise testing, ensuring accurate results with simple controls. Fixed 45-degree angle design: Positions the pen tip to contact coating surfaces directly, applying appropriate load consistently for reliable hardness measurements in every use. Adjustable weight modes: Offers three weight options (500, 750, and 1000 grams) to fine-tune test weight, enhancing accuracy across different materials and applications. Intuitive control panel: Provides straightforward operation with a safe, stable, and low-noise design, ensuring reliable performance and user-friendly handling during tests. Versatile application range: Designed for spray hardness testing on various finished products, including shells of home appliances and digital devices, offering multi-use functionality in ones machine.