Easily measure both inside and outside radii with this 4-pack of radius gauges, designed specifically for radiator headers. These durable tools provide precise measurements for radii of ¼ inch, 3/8 inch, ½ inch, and 5/8 inch, making them indispensable for radiator repair shops and other industries requiring accurate radius measurements.

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Whether you're repairing radiators or working in another field that requires precision, this radius gauge for radiators delivers reliability and accuracy. Upgrade your toolset today!