Innovative Four-Bar Connection Design: The pen holder and column utilize a unique four-bar structure that effectively directs the weight of the counterweight at the intersection of the lead core and test frame, ensuring a perfect 45° angle between the pencil and frame for optimal measurement. Effortless Level Adjustment: Features an integrated spirit level for easy adjustments during testing, guaranteeing accurate and dependable measurements consistently. Durables Crank Handle: Crafted from high-quality iron, the crank handle provides exceptional durability, making it a reliable tool for achieving precise measurements. Versatile Portable Hardness Tester: Designed for measuring hardness across various materials including coatings, metal finishes, decorative elements, and synthetic leather, this tester offers both portability and user-friendly operation. Customer Support Commitment: We prioritize our customers' satisfaction. If you have any inquiries, please reach out, and we will respond promptly within 24 hours.