The Moore & Wright 900 Series Internal Micrometers comprise of a measuring head, a set of extension rods and a spacing collar to facilitate alternative measuring ranges. These models (901, 902 & 903) have detachable extension handles.
All models supplied in a fitted case.
These 900 Series Internal Micrometers conform to BS959 Standards.
The Moore & Wright Internal Micrometer 901M Internal Micrometer has the following specification:
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