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The STANLEY 45-500 is a full-size carpenter square used for layout, framing, and squaring work on job sites and in the shop. The tool measures 16 inches on the tongue and 24 inches on the blade, giving carpenters and framers a reliable reference for marking rafters, stair stringers, and wall layout lines. Built-in reference tables cover new lumber sizing, decimal equivalents, and metric conversions, reducing the need to carry separate reference charts. Angle markings at 30, 45, and 60 degrees are etched into the body for quick angle layout without additional tools. Each unit weighs 1.69 pounds.
The 45-500 is suited for residential and light commercial framing, finish carpentry, and general construction layout. It is a standard tool for carpenters working on roof framing, deck construction, stair building, and structural layout tasks where a consistent right-angle reference is required. The 16-inch by 24-inch format matches the traditional rafter square dimensions recognized across the trade.
Designed as a standard-format carpenter and rafter square for general framing and layout applications in residential and commercial construction.
No power tools or fasteners are required for use. Keep the square clean and free of debris on the reference edges to maintain accurate readings. Store flat to prevent warping or bending of the blade and tongue.
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