7 STRENGTH BALANCE CONVERTER SPA TILE MAIL: This portable hardness tester is backed by 7 hardness scales including , , , HRA, HRB, and , allowing you to switch flexibly to a variety of test demands 20 Material Coordination: Ideal for testing 20 kinds of materials, such as steel, wrought iron, rust free, aluminum alloy, bronze, and more, ensuring a wide range of applications between sectors Data Storage Capacity: It has data storage for 48-350 organizations (32-1 effect) and records critical tests conclusions for future reference LCD Screen Number with Backlight: Equipped with a backlit display that allows clear observation even in shady conditions, improving operability in a variety of situations [Wide Measurement Range] Standard D-type survey procedure HLD (170-960) has presets, and an automatic alarm for external range values is set to ensure accurate and consistent conclusions, Manufacturer: MINGLEA