3M 55572, Stikit Paper Disc Roll 236U, 6 in x NH 6 Hole, P120 C-weight, D/F, Die 600FH, 7000119563, 100 discs per roll 
Insize 1160-20, DIGITAL TAPER GAGE, .39-.79″/10-20mm, 6940561940015
$587.50
Resolution: .0005″/0.01mm.
Measuring opening, slot 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.
Optional accessory: data output cable.
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