3M 54136, Scotch-Brite Roloc AL Surface Conditioning Disc TR, 2 in x NH A MED, 7100075707, 200 per case 
Insize 2168-12, STEP AND GAP GAGE, 0-.5″/0-12.7mm, 6928640315046
$323.44
Resolution .0005″/0.01mm
Measure step height and gap width.
Buttons: on/off, zero, inch/mm.
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Supplied with zero setting block.
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