A molded plastic clamp for supporting a fractured portion of a post having two opposing brackets that can be clamped about either sides of the fractured post portion wherein each bracket has a semi circular inner shape bounded both sides by longitudinal flanges wherein each flange includes a series of apertures so that when the two brackets are brought together fastening means can be used through the apertures to hold said brackets together about the post wherein each bracket including an upper slot and lower slot that extends laterally across the semi circular inner shape, so that when stress is placed upon the post the clamp is adapted to flex by gaps made available within the respective upper and lower slots.