Sturdy white plastic with both millimeter and inch scales in black.
Millimeter markings read in the same direction for accurate PD measurements. 7-1/4" long by 11/16" wide.
Rules To Abide By
"A PD rule can be much more than a simple measuring stick. Check out the features on our selection of rules. You will surely find one that makes your dispensing or lab task easier and more accurate. All American made where a 70mm reading on the scale is 70mm in reality."
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