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D-Unique Tools Universal Square$15.99
Universal Square is a wall partitioning layout tool designed to save layout time for carpenters. It aids both professionals and do-it-yourselfers in laying out wall studs (both middle partition and corners), squaring windows and doors and scribing angles, rafters and seat notches ...Universal Square is a wall partitioning layout tool designed to save layout time for carpenters. It aids both professionals and do-it-yourselfers in laying out wall studs (both middle partition and corners), squaring windows and doors and scribing angles, rafters and seat notches.
Also ideal for use as a saw guide, the square conveniently holds a chalk line and tape measure to help you work efficiently.