3M 45190, Disc Pad Hub, 4-1/2 in 5/8-11 Internal, 7000045659 
Insize 3128-12, DIGITAL WIDE RANGE THREE POINTS INTERNAL MICROMETER, 8-12″/203-305mm, 6928640356704
$5,849.59
Resolution .0001″/0.001mm.
IP54 dust/waterproof.
Buttons: on/off, set, inch/mm, ABS/INC.
Data output. LR44 battery, automatic power off.
Carbide measuring faces. Ratchet stop.
Supplied with extension rods.
Setting rings are included (except part no. 3128-12).
