Brief: Discover the RHL-TH130 Portable Digital Metal Hardness Tester, a versatile tool for measuring the hardness of all metallic materials. With a large 128×64 dot matrix LCD, 360° testing capability, and support for multiple hardness scales, this tester is perfect for industrial applications. Enjoy features like auto-calibration, USB connectivity, and a rechargeable battery for up to 150 hours of continuous use.