(1 Year Warranty Subjected to Terms and Conditions) Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, nodular cast iron, cast aluminum alloy, copper zinc alloys(brass), an alloy of copper and tin, copper(bronze), forged steel Features - Automatically identify 7 types of impact devices for special application - Freely switch to ahrdness scales HRB,HRC,HV,HB,HS,HL - Direct calibration on HL,HRC,HB - Large LCD screen with back-light, showing all functions and parameters - Upper and lower limit and sound alarm - Conversion to tensile strength (U.T.S) Find out more at https://matrixintegrity.com/hardness-tester-leeb110-120/ Price does not include additional taxes, fees and surcharges. Please note preorder usually takes about 1-4 weeks.