A shaped clamp member having a symmetrical four section bent flat plate configured to fit the round surface of the rod and configured to fit the surface of the square spindle, a shaped abutment member having a symmetrical three section reversible bent flat plate configured to fit round surface of the rod and reversing the second clamp member is configured to fit the surface of the square spindle, and, thus, functions to enable a universal pole clamp able to fit one or more sizes and configurations of deck railing or deck spindle or utilized to support one or more sizes and configurations of poles or round rods.