17-921-8 SPI Half Base Depth Micrometer 0-6", 2.5" Base, Cert

SPI Half Base Depth Micrometer

Half base permits measuring depths of holes and slots close to shoulders and in between obstructions. Quick reading graduations.

Features Include...

• 0-6" Measuring Range
• 0.001" mm Graduation
• Rods: 6
• Base Width: 2.25"
• Rods are precision ground and lapped
• Rod Diameter: 0.177"
• Ratchet Stop
• Certificate of calibration
• Furnished in fitted case