SPI Spherical Anvil Electronic Micrometer Spherical Faces on both Anvil & Spindle Features include... 0-1" / 25mm Measuring Range 0.00005"/0.001 mm Resolution 0.00016"/0.004 mm Accuracy Casting made with special clearance Carbide sphere on fixed anvil Carbide sphere on spindle Painted frame with plastic heat shield Standard included above 0 - 1" Spindle dia.: 0.250" Inc./abs./inch/metric measuring Ratchet thimble Spindle lock Certificate of calibration Furnished in fitted case
