Dynabrade 78380 3" Dia. x 1/2", Dyna Premium Rapid Strip TR Disc, 25/pack 
Insize 2112-101, DIGITAL INDICATOR, 12.7mm/0.5″, lug back, 6928640311864
$270.34
Resolution 0.001mm/0.00005″
Button function: on/off, inch/mm, zero.
CR2032 battery, automatic power off.
Data output.
Optional accessory: data output cable, backs, contact points
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