- Set of twelve micrometers that range in opening from 25 mm to 300 mm, sized in 25-mm increments, and graduated to 0.01 mm
- Carbide facing on spindle and anvils provides wear-resistance
- Tapered frame for use in narrow slots and tight spaces
- Knurled friction thimble with ratchet-stop mechanism provides quick adjustment capability and uniform pressure
- Knurled, ring-type lock nut offers quick and efficient locking