Portable Leeb Hardness tester LK110 1,Measuring scope:(170-960) HLD; 2,Hardness formats: HL,HB, HRB, HRC,HRA,HV,HS Portable Leeb Hardness tester LK110 Features ... : Based on HL hardness measuring principle, can detect various metal materials. A ... Time 2.5 ~ 3.5 hour Weight :245g Portable Leeb Hardness tester LK110