Precise Deep Throat Micrometers

• Resolution is 0.0001″.
• Accuracy is .0001″.
• Ratchet stop thimble for exact and repetitive readings.
• Positive locking clamp.
• Carbide tipped measuring faces.
• The spindle thread is hardened, ground and lapped.
• For taking accurate measurements of steel and plastic sheets and plates wherever there is a deep depth.