Surface roughness measuring instrument measuring needle

Tokyo Precision Roughness Tester Needles: 1. Standard type measuring needle DM438012, small hole measuring needle DM438093, extremely small hole measuring needle DM438114, small hole measuring needle DM438125, gear surface measuring needle DM438146, deep groove and R groove measuring needle DM438157, slender small hole measuring needle DM438218, low magnification long hole measuring needle DM438229, deep groove chamfer measuring needle DM4382710, ultra deep groove measuring needle DM4382611, ruby measuring needle 010250512, slender measurable ruby measuring needle 0102520