Accusize Industrial Tools 3.5'' to 4.0'' Three-Point Internal Micrometer, Ratchet Stop, 3151-3071
- Range: 3.500-4.000". Resolution: 0.00020". Setting Rings: 3.500". Extension Rods: 6''
- Measurement can be taken closer to the bottom of the blind bore, and can be taken into a deep hole with an extension rod.
- Highly durable because of carbide-tipped contact points.
- Ratchet stop for constant measuring force
- Supplied with setting rings. Titanium-plated anvils optional.