Standard Crack Monitor

Model: HM-637
Price: $14.00

HM-637 Standard Crack Monitor is a simpler design with a range of 20mm horizontally and 10mm vertically. The overlapping upper plate is transparent and marked with a red crosshair cursor. The white bottom plate measuring grid is marked in millimeters. There are no spigots for use with calipers. Readability is 1mm.

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