What’s a SPEED square?

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The SPEED® Square is a triangular measuring tool used for various applications, made by Swanson Tool Co. It helps square measurements and has a diamond marking for midpoint identification. Invented in 1925, it’s useful for woodworkers, scrapbookers, and construction workers, and costs around $8-10 USD.

SPEED® Square is a triangular shaped measuring tool made of metal. It has many applications and can be used on roofs, to measure angles, mark lumber, create perpendicular lines or just take a quick measurement. The SPEED® square is a patented product and manufactured by Swanson Tool Co., Inc. Other generic shapes of the tool are also made by other manufacturers. These are more appropriately referred to as strut corner squares or triangle-shaped measurement squares.

The SPEED® Square is actually the shape of a right triangle, not a square as the name might suggest. The term square actually refers to the action it helps perform: helping square measurements so that angles that require 90-degree angles are measured appropriately. The tool is primarily used by pushing the right triangle of the tool against the corners of a measurement area. Appropriate markings are made accordingly.

The long side of the SPEED® Square, or hypotenuse of the triangle, can be used as a handy ruler or ruler. Usually the length measures 7 inches (about 17.8cm) or more. SPEED® Squares include a Diamond Design® which is a diamond marking that easily identifies the midpoint of the ruler.

The SPEED® Square was invented by Albert J. Swanson in 1925 and has long been considered a necessary tool for both amateur and professional woodworkers. Those who work in scrapbooks or work in other jobs that require precision measurements can also use SPEED® Square to mark corners and figure out the ideal, straight placement of objects or measurements.

Most contractors, builders, and others in the construction field appreciate SPEED® Square’s simplicity, its many applications, and also its ease of use. It’s a great hand tool and is inexpensive, costing around 8-10 US Dollars (USD). It also fits comfortably in the pockets of carpenter pants.




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