For surfaces with Ra below 600μin Non-Destructive hand held portable hardness tester, combines UCI and Leeb portable hardness testing in one state of the art device. Test steel with min thickness of .08” and unlimited max thickness (Other materials may have larger minimum thickness levels, depending on hardness). Blazing fast test results and Rockwell, Brinell and Vickers hardness test conversions shown on display. Large Memory with USB Output Choice of manual UCI probes; 1kg, 2kg, 5kg & 10kg Optional Motorized Probes: .30kg, .80kg, & 1kgf Available Impact Devices(Leeb) D, DC, D+15, G & DL