3M 83980, Roloc Disc Pad TR, Extra Hard 4 in 5/8 -11 Internal, 7000119300 
3M 13627, 947, Hookit Disc Pad Holder, 7 in x 1 in x 5/8 in 5/8-11 Internal, 7000028353 
Insize 2112-25, ELECTRONIC INDICATOR, 25.4mm/1″, resolution 0.01mm/0.0005″, lug back, 6928640311895
$154.23
Button function: on/off, inch/mm, zero, data preset, change measuring direction, absolution/incremental measurement
0-6 hours automatic power off time can be set
Optional accessory: data output cable (code 7315-50M, 7302-40M, 7305-40M), backs, contact points
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