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Designed for large internal measurements beyond the capacity of most other micrometers. Each set consists of a micrometer head mounted at the end of a tubular holder in which measuring rods can be inserted and adjusted to the desired size. Final size reading in thousandths of an inch (.001") is obtained using the micrometer head.
Designed for large internal measurements beyond the capacity of most other micrometers. Each set consists of a micrometer head mounted at the end of a tubular holder in which measuring rods can be inserted and adjusted to the desired size. Final size reading in thousandths of an inch (.001") is obtained using the micrometer head.
Starrett 121AZ have hardened and ground anvils.
Features
| Micrometer Type: | Long Range Tubular Inside Micrometer |
| Range (in): | 32 - 57" |
| Graduations (in): | .001" |
| Measuring Rods (qty): | With 1 Graduated Measuring Rod |
| Case Type: | Wood |
| Accuracy (in): | +.0004" / -.0000" |
| Micrometer Type: | Long Range Tubular Inside Micrometer |
| Range (in): | 32 - 57" |
| Graduations (in): | .001" |
| Measuring Rods (qty): | With 1 Graduated Measuring Rod |
| Case Type: | Wood |
| Accuracy (in): | +.0004" / -.0000" |
