Hub Micrometers - Enamelled Frame

Tungsten carbide tipped measuring faces. Clear graduations on satin chrome finish.
Accuracy:
Parallelism: (2+L/100)mm.
Flatness: 0.6mm.
Instrument Error: 0-75mm ±2µm, 75-100mm ±3µm.

L = maximum measuring length.

Series 147