SPI Electronic Blade Micrometer - 51-339-0

• Inch/Metric Conversion
• Friction thimble.
• Perfect for easy measurements of narrow grooves, slots and keyways.
• Spindle and anvil are hardened, ground and lapped.
• Large LCD display.
• Graduation: 0.00005"/0.001 mm
• Blade thickness: 0.030", length: 0.256".