It can measure accurately the size, angle, shape and position of the different work-pieces, and various parameters of external thread. This machine is suit for using in measuring room, inspection station, colleges and universities together with science research institute of those manufacturings, such as machinery, precise tool & mould, instrument & meter, aviation, automobile, electron, plastic and rubber. It is used to inspect and control the quality of machine elements, measuring tools, cutters, clamping apparatus, moulds, electronic components, circuit boards, punching templates, plastics and rubbers.