Product Description
The Starrett 220M Mul-T-Anvil Micrometer with Round and Flat Anvils, Carbide Faced Spindle was a new development in micrometer design and patent is held by Starrett. This micrometer will handle a wide variety of measurements impossible to obtain with regular micrometers, such as measuring the wall thickness of tubing, cylindrical walls from a hole or slot to an edge, many hard-to-reach locations, and the thickness of screw heads , shoulder lengths, etc.