The tubular inside micrometer with extension is a standard single rod type inside inch micrometer. Features interchangeable extensions in a hollow pipe design. It comes with 4 to 68" range.
The tubular inside micrometer with extension is a standard single rod type inside inch micrometer. Features interchangeable extensions in a hollow pipe design. It comes with 4 to 68" range.
| Range | 4 to 68" | 
| Mass | 1390 g | 
| Accuracy | ±[0,00015+0,00005n+0,00005(L/2)]", n = Number of rod, L = Maximum measuring length (mm) | 
| Measuring Surfaces | Carbide | 
| Measuring Spindle | Spindle pitch 0.635 mm | 
| Extension | θ 17 mm | 
| Measuring Span | 1" | 
| Graduation | 0.001 mm | 
| Digital/Analog | Analog | 
| Inch-Metric | Inch |