We sell Leeb Hardness TesterTechnical specifications:Measuring range:HLD(170-960)HLDMeasuring direction:0-360Hardness scale:HL, HB, HRB, HRC, HRA, HV, HSDisplay:Segment:LCDDatamemory:max.100groups(relative to impact times 32-1)Working power:3v(2 AA size alkaline batteries)Continous working...