The Starrett 823CZ Tubular Inside Micrometer Set has a measuring range of 4-24" and includes 7 Measuring Rods in a Padded Case. These are rigid and lightweight interchangeable rods. Each one is marked with the length for quick readings.
Starrett 823 & 823M Series Tubular Inside Micrometer Sets
Micrometers > Mechanical Micrometers