3M 86802, Cubitron II Stikit Film Disc 775L, 80+, 5 in x NH, Linered w/Tab, Die 500X, 7100048736, 250 per case 
Insize 2115-501E, WATERPROOF DIGITAL INDICATOR, 2″/50.8mm, lug back, 6928640357893
$700.98
Resolution .00005″/0.001mm
Meet ASME B89.1.10M-2001.
Dust/waterproof.
Button function: on/off, zero, inch/mm.
CR2032 battery, automatic power off.
Data output.
Optional accessory: data output cable, backs, contact points.
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Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630″, 6928640303579
$24.78