把手以下的長度較短小型設(shè)計(jì),結(jié)構(gòu)輕巧,測針帶有硬質(zhì)合金頭輕久耐用測量范圍貨號測量深度18-35mm511-471100mm35-60mm511-472150mm50-100mm511-473150mm50-150mm511-474150mm100-160mm511-475150mm18-35mm511-461100mm35-60mm511-462150mm50-100mm511-463150mm50-150mm511-464150mm100-160mm511-465150mm