Provides more than 20 measurement capabilities in English and metric units for finding lumber sizes， making conversions， calculating angles and much more
Measures screw， bolt， nut and nail sizes with ease
Measures steel， brass and PVC pipe sizes by O.D.
Measures copper and CPVC tubing sizes by O.D.
Measures drill， rod， tube and wire sizes by O.D.
Measures copper and CPVC joint tube fittings and internally threaded pipe fittings by I.D.
PVC construction with 2-color printing on the front side for ease of use and a stylish appearance
All-purpose scales on the back side include 1/4 in. and 1/8 in. architectural scales and O.D. and I.D. in English and metric units for your convenience
Rules graduated in inches and centimeters， an electrical wire gauge and conversion formulas are provided for converting measurements to other scales with ease
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