The FIT-UP PRO Mul-T-Square is a versatile alignment and layout tool engineered for pipefitters, welders, and fabricators who require precision and efficiency. Designed with two 45° blades that slide smoothly within a robust plastic handle, it simplifies marking and verifying critical angles. Constructed from lightweight, durable aluminum, it handles flanges up to 8″ / 203 mm and fittings up to 14″ / 356 mm in diameter. The tool includes standard 10″ / 254 mm and 14″ / 356 mm blades, with an optional 30″ / 762 mm extended blade set available for larger applications. Imperial and metric scale markings ensure accurate measurement and compatibility across global job sites. Compact and portable, the Mul-T-Square allows for quick, repeatable layout in tight spaces or complex configurations. Whether verifying 45° or 90° angles or marking cuts on fittings and pipes, it delivers the reliability and precision essential for consistent, high-quality fabrication work.
ALUMINIUM SQUARE
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| Part No. | Old Sumner Part No. | Model | Description | Dimensions |
| D241 | 781921 | ALSQ | Aluminum Square | 15.5 x 24 x 0.125″ thick / 394 x 610 x 3 mm thick |
The SUMNER Aluminum Square is a reliable, durable layout tool essential for fabrication, welding, and general construction tasks. Designed for accuracy and ease of use, this standard square is marked with both imperial and metric units, making it versatile for a wide range of measuring and layout applications across global job sites.
Made from lightweight yet strong aluminum, it resists corrosion and damage while providing long-lasting performance under heavy use. The 24 x 16″” / 610 x 406 mm dimensions offer a large surface area for marking and measuring right angles, ensuring precision during layout and assembly. Its etched markings remain clear over time, aiding in consistent and accurate work.
Whether you’re squaring up a fabrication project or double-checking your layout lines, the SUMNER Aluminum Square delivers dependable results every time. Lightweight for easy handling and rugged enough for demanding environments, it’s the perfect addition to any tool kit.
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