Depth Micrometer: Starrett 440M Depth Gage Set & Wooden Case Used

Starrett No. 440M Mechanical Depth Micrometer with Ratchet Thimble, Wood Case

Condition:

This used Starrett No. 440M mechanical micrometer is in excellent working condition, with light signs of prior use. There are owner-engraved numbers on the body. The wood case is solid but shows some wear, including minor scratches and scuffs from storage.

Here’s what we know about it:

• Mechanical micrometer with 0.01mm graduations
• Accuracy:
  • Micrometer head: ±0.0025mm
  • Rods: ±0.005mm
• Features a knurled ring-type lock nut
• Equipped with a ratchet thimble