... : HL,HB, HRB, HRC,HRA,HV,HS; 3, LCD display Hardness gauge LK120Features:Easy one handed operationDigital DisplayCompact body ... certified test pieceUsed in any directionLightweight, portable and easy to carryUsing large-screen 128 * 64 dot matrix LCD module, information abundant ... HRB, HRC,HRA,HV,HSDisplay: high contrast segment code type LCD displayData storage: maximum 500 groups (impact times: 32-1 ...