Comparator - PW-3 Tam 135273, fluorescent green linear and round indications in inches and milimeters from .180" (4.6mm) to .010" (0.2mm) - Hocker Incorporated
MX-3 TAM crack comparator (Certified to P & W Reference: TAM135273) (шаблон дефектоскописта № 53) - Magnaflux: Магнитопорошковая и Капиллярная дефектоскопия