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Permanently mount these rulers to a machine or workbench.
Use to find diameters and centers.
Permanently mount these rulers on machines, tanks, and walls to measure heights and depths.
The graduations on these rulers are half the actual length of the object you are measuring.
These extra-thick rulers have a polycarbonate coating that resists wear from traffic and chemicals.
Permanently mount these vertical rulers to walls and tanks.
Mount on any flat surface.