The FIT-UP PRO Pipe Fitter’s Square is a precision-engineered tool created specifically for pipefitters, welders, layout technicians, and boilermakers. Constructed from stainless steel for durability and corrosion resistance, this square provides multiple measurement features in one compact design. With dimensions of 15.5 × 24 × 0.125″ / 394 × 610 × 3 mm, it includes setback guides for pipe-to-elbow fit-ups, a centerline locator, 1/16″ ruled graduations, a tangent chart, decimal chart, and degree markings. Whether used for determining angles, set-backs, or centerlines, the Pipe Fitter’s Square simplifies complex layout tasks and increases job efficiency. It’s ideal for on-site and workshop environments where precision and speed are essential. This all-in-one layout tool improves productivity and minimizes errors during pipe fit-up and fabrication. Its durable design ensures a long service life, making it a go-to essential for professionals working in demanding industrial settings.
PIPE FITTER’S SQUARE
ONLY STOCKED IN THE AMERICAS


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Part No. | Old Sumner Part No. | Description | Dimensions |
D248 | 790000 | Pipefitter’s square | 15.5 x 24 x 0.125″ thick / 394 x 610 x 3 mm thick |
The stainless steel pipe fitter’s square is the only precision square designed specifically for pipefitters, boilermakers, welders and layout persons.
After becoming familiar with the scales and tables of the square, many complex problems encountered during pipe fit-up and layout work are easily solved.

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