Allows the user to precisely locate the center of round material. Has a 90° right-angled head with a ruler exactly in the middle to obtain an exact 45° localization of rotation points on square or round material and also measures 90 degrees for other quadrature functions.
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Description
Allows the user to precisely locate the center of round material. Has a 90° right-angled head with a ruler exactly in the middle to obtain an exact 45° localization of rotation points on square or round material and also measures 90 degrees for other quadrature functions.