Specifications Material: Aluminum Alloy Accuracy: 0.0001" Readings: 0.0001" Size: 0-4" 4 Set 0-1in Size: 5.2 x 2.0 x 0.4 in / 13.1 x 5.0 x 1.0cm 1-2in Size: 6.1 x 2.7 x 0.4 in / 15.5 x 6.8 x 1.0 cm 2-3in Size: 7.0 x 3.3 x 0.4 in / 18.0 x 8.3 x 1.0 cm 3-4in Size: 8.3 x 4.3 x 0.4 in / 21.0 x 11.0 x 1.0 cm Package Content： 4 x Outside Micrometers 3 x Calibration Standards 1 x Adjustment Wrench 1 x Fitted Case.
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