Starrett 121CZ Tubular Micrometer Set 32-107"-3 Measuring 2 Ext Rods

The Starrett 121CZ Long Range Tubular Micrometer Set has a measuring Range of 32-107" and includes 3 Graduated Measuring Rods and 2 Extension Rods. 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.