3M 45093, Roloc Disc Pad TR, Extra Hard 3 in 1/4-20 Internal, 7000045285 
Insize 1184-150, DIGITAL CALIPERS WITH ONE DIRECTION UPPER JAWS, 0-6″/0-50mm, jaw with same height , 6940561947953
$176.76
Resolution: .0005″/0.01mm.
Buttons: zero, power on/off, inch/mm
Automatic power off, move the digital unit to turn on power
Battery CR2032
Data output
Made of stainless steel
Optional accessory: data output cable
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