🔧 Elevate Your Testing Game with GOYOJO! Stay informed with automatic alarms for out-of-range values. Get immediate results across multiple hardness scales. Integrated and cable-free for hassle-free operation. Measure all metallic materials with ease. Experience accurate measurements on-the-go! 170-960 HLD range Rechargeable lithium battery ±0.5% accuracy The GOYOJO Leeb Hardness Tester is a cutting-edge instrument designed for professionals, offering a wide measuring range of 170 to 960 HLD. It accurately measures the hardness of various metallic materials with a precision of ±0.5% and features an integrated design for portability. With instant readings across multiple hardness scales and smart alerts for out-of-range values, this tester is perfect for batch testing and ensures reliability in every measurement.