DK-239 Protractor is the perfect tool to determine/set bevels, transfer angles, and measure the squareness of one surface to another.
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The DK239 Protractor is made of stainless steel. Protractor blades can be locked in place at specific angles and the heads have dual graduations from 0° to 180° in both directions. DK239 Protractor is an excellent tool for sheet metal layout, checking squareness of pipe ends up to 17" (432 mm) diameter and can be used to check smaller pipe miter angles 0° to 90°.