Gard-N-Post. 19.5" Support For Outdoor Light Fixtures or Gfci Devices Outdoors. Openings On Both Sides Of Post For Back to Back Power or Power On One Side and Low Voltage On The Other. Built In Stabilizers For Extra Stability. Openings In Stabilizers Allow For Insertion Of Extra Support Material. Angle Cut Post For Easy Access to Underground Wiring. Two 1/2" Knockouts. Color Black. Color Is Permanent, No Chipping.