Features: Large digital display with 3digits, be used to accurately measure small lineardistances in mechanical and industrial processes without reading errors, practical tool for mechanical, industrial processes and laboratory use. 0 ~ 25.4mm(1 inch) / 0-12.7mm(0.5inch) MeasuringRanges, HighResolution up to 0.001mm (0.0005") Included rear cover-- hole diameter: 6.5mm, it is removable and can be used on different magnetic baseholder stand. Inch/Metric Conversion-- Switchable between metric and inch, Suitable for AllKindof Measurement. Elevates your measurement game with this digital indicator. Its advanced features makings it essential tool for accurate result. Specifications: Material:Metal MeasuringRanges:0 ~ 25.4mm(1'') , 0-12.7mm(0.5'') Resolution:0.00005Inch/0.001mm Package Includes: 1x Digital Dial Indicator note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.