Details

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Specifications

• Range: 3-4''
• Graduation: 0.001''
• Type: B
• A: 12.3
• B: 4.5
• C: /
• D: 27.5
• Accuracy: ±0.0004''
• Ring Gage: /

Features

• Spindle thread hardened, ground and lapped for ultimate accuracy
• Clear graduations laser-etched on satin chrome finish for easy reading
• Carbide measuring surfaces ground for longer service life 
• Used to measure various inside dimensions
• With ratchet stop for constant pressure
• An inside micrometer set is optional
• With spindle lock