SPI V-Anvil Mechanical Micrometer  5-20mm 3 Flute

Measures Diameter of 3 fluted tools such as Tapes, Reamers and End Mills.

Features:

• Carbide tipped measuring faces.
• Forged steel frame with enamel finish.
• Main spindle dia.:0.250".
• Resolution: 0.001"/0.01 mm.
• Accuracy: 0.00016"/0.004 mm.
• Standards included.
• Ratchet thimble.
• Spindle lock.
• Certificate of calibration traceable to NIST.
• Furnished in fitted case.