3M 26018, PPS Series 2.0 Adapter, Type S11, 3/8 Male, 18 Thread NPS, 7100135942 
Insize 3224-120, TUBULAR INSIDE MICROMETER, 40-120″, 6928640356810
$3,289.06
Graduation .001″
Accuracy: [.00005(7+n+L/2)]”, n=number of rods,L=maximum measuring length (inch).
Carbide measuring faces.
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