iGaging Fractional Display Caliper Sharpening Cleaning discs will extend their

Cleaning discs will extend their life by 3–5 times which means you save money

The clamping mechanism eliminates fuss while providing a more positive grip on the tool while sharpening

including quick one-hand tightening

Includes a chart for grit identification

it creates "worm-holes" and varying discoloration in the form of streaks

iGaging Fractional Display Caliper Sharpening Cleaning discs will extend theirThis hardened stainless steel digital caliper lets you select between fraction, millimeter, and decimal display with the press of a button. Large digital readout display Machinist grade precision and quality throughout Precision lapping finish Water, oil, and dust resitant Locking screw 2 CR2032 batteries included (1 required, 1 spare) Specifications Measuring range: 0 6" (0 150mm) Accuracy: 0. 0001 Reading: 0. 0005", 0. 01mm, 1 128" Repeatability: 0.