Impact TH-174 : Special model for Hardness Measurement in extremely confined spaces. Integrated impact device DL. Hardness scales : HRC, HRB, HB, HV, HS, HLD Measuring range: HLD 200 to 900 HRB 13 to 100 HRC 20 to 68 HB 20 to 655 HV 80 to 950 HS 32 ...