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The SWANSON TOOL CO S0100-AC is a professional-grade rafter square designed for layout, marking, and angle work on framing and roofing projects. Known as the Speed Square Pro, this tool gives carpenters, framers, and general contractors a fast, reliable reference for scribing lines, checking 90-degree corners, and reading common rafter angles. This package contains 50 units, making it well-suited for supply house stocking, jobsite distribution, or contractor fleet purchasing. The S0100-AC is a standard layout tool found in residential and light commercial framing applications.
The Speed Square Pro is used across a wide range of construction trades and applications. Framers rely on it for rafter layout and stair stringer marking. Finish carpenters use it for scribing and squaring trim work. It is equally at home on residential new construction, remodel work, and light commercial framing. The 50-unit package quantity supports tool crib stocking or bulk distribution to field crews.
Designed as a standard rafter and layout square suitable for general framing, roofing, and carpentry applications across residential and light commercial construction.
No installation is required for this hand tool. Framers and carpenters should verify square calibration periodically, especially after jobsite impact or drop. Use with a sharp pencil or marking knife for accurate layout lines. Store away from moisture to prevent surface degradation over time.
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