Description
SPI Round & Beveled Edge Steel Square, 4″ Blade – 13-678-8
- Outside edge has a patented precision ground radius that ensures accuracy when checking for squareness on a flat or round surface
- Beveled edge on inside blade
- Made from fine tool steel
- Ground and lapped to be straight and parallel
- Square within: 0.0002″
- Furnished in fitted case
See all SPI Round & Beveled Edge Steel Squares

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