Brownells 75th Anniversary - A Shooting Heritage
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Three Tools Measure Most Standard World-Wide Threads

Straight gauges in three size ranges and thread styles. All steel. Precision cut threads for accurate measuring. Sizes permanently stamped into each leaf.


Big Book Catalog, Issue:70, Page:441
Big Book Catalog, Issue:70, Page:449
SPECS: English - 28 blades, 4 to 80 tpi; Metric - 24 blades, 60°; British (BSW) - 28 blades, 55°.
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