Dynabrade 11218 Contact Arm Ass'y, 5/8" Dia. x 3/8" W, Rubber Wheel, with 1/2" W Platen 
Insize 3520-75E, DIGITAL INSIDE MICROMETER, 2-3″/50-75mm, 6928640356728
$449.70
Resolution .00005″/0.001mm.
Button function: on/off, set, inch/mm, ABS/INC.
Data output.
LR44 battery, automatic power off.
Ratchet stop.
Carbide measuring faces.
Optional accessory: data output cable, setting ring (part no. 6313).
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