Mthckxjbsuz 20-30Hrc Hardness Tester, 20-70 Hrc Hardness Block Hrc/Hra/Hrb Tester Standard Test

MTHCKXJBSUZ

60-70HRC (ring alloy) 50-55HRC (ring alloy) 40-50HRC (ring alloy) 30-35HRC (ring alloy) 20-30HRC (ring alloy), Manufacturer: MTHCKXJBSUZ