Fi-Shock 4 Inch White StepIn Fence Post  A48 Heavy-duty 4-foot step-in white fence post (39 inches exposed above ground) Clips hold electric fence wire and poly tape (up to 2 inches wide) Molded from reinforced polypropylene with a heavy-duty steel stake Features large step-in flange and anti-rotation spike to keep stake from turning Also used for gardening, boundary line markings, crowd control and more