3M 03140, General Purpose Sanding Sponge CP041-6P, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101537, 6/pack 
Insize 2397-25A, ZERO SETTER, height 2″, 6928640359545
$343.13
Magnetic base.
Height: 2″
Accuracy: ? .0004″
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