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B&Q£11.75Visit shop B&Q - 3 + 10 Inch 75 / 250mm Engineer Tri Set Square Right Angle Straight Edge Stainless
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The AB Tools Engineer Tri Set Square set is an essential toolkit addition for professional tradespeople and DIY enthusiasts involved in carpentry, roofing, and remodeling. Providing both a 3-inch and a 10-inch square, this set ensures you can accurately mark, measure, and verify 90-degree angles across a wide range of project scales, though the solid, non-folding construction means they require a dedicated spot in your toolbox.
| Brand | AB Tools |
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They are constructed from durable, solid metal intended for professional and occasional engineering use.
Yes, they are ideal for marking 90-degree cuts on rafters and checking framing angles.
No, these are solid, rigid squares designed to prevent flexing for maximum accuracy.
They are primarily used for marking and checking 90-degree angles, though the edges serve effectively as straight-edge rulers.
Store them hanging on a wall or laid flat in a drawer away from heavy tools that might dent the edges.
Clean the edges of any dried glue or debris; build-up can often lift the square and create a false reading.
Wipe the surface clean with a dry cloth and ensure adequate lighting; the high-contrast finish is designed for visibility in workshop conditions.
These tools require no assembly or calibration out of the package. Because they are precision measuring instruments, it is recommended to keep them in a dry environment to prevent surface oxidation. After use, wipe the squares down with a light machine oil to maintain the finish and ensure markings remain legible. Avoid dropping the squares on concrete, as impacts to the heel or the blade can cause slight deformations that may compromise the accuracy of your 90-degree references.
