3M 85492, Scotch Foil Tape 3311-10A, 2.0 in x 10 yd (50.8 mm x 9,1 m), 7010383663 
Insize 3229-19, TUBULAR INSIDE MICROMETER, 18-19″, 6928640356896
$256.48
Graduation .001″
Carbide measuring faces.
18 to 19″ Range
Accuracy: .00043″
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