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Proportional Caliper Device


The proportional caliper is a timesaving device used for rapid determination of percentages of flat and elongated particles in coarse aggregate fractions of .375" or larger. The device consists of a 6 x 16" base plate with two fixed posts and a 13" pivoting arm mounted between the posts so there is an opening at the end of each arm.


Shipping Weight: 16.00 lbs.

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