Quick Answer
Step-in posts are lightweight plastic or fiberglass rods with integrated wire clips that push into the ground by hand or foot. They're ideal for temporary and portable electric fencing — one person can install 660 feet (200 posts) of fence in under an hour. Use them for rotational grazing, temporary paddocks, and cross-fencing. They're not a substitute for corner/brace posts, which must be driven wooden or metal posts.
Types of Step-In Posts
Plastic step-in posts (polypropylene): Most common and cheapest ($0.50–$1.00 each). Work well in soft to medium soils. Crack in very cold temperatures and can fail in rocky soil where the pointed tip hits rocks. Available in 35", 42", and 48" heights.
Fiberglass step-in posts: More durable than plastic, flexible (won't snap in cold), and naturally insulating. Cost $1.50–$3.00 each. The better choice for year-round use or in environments with temperature extremes.
Metal step-in posts (pigtail style): T-shaped metal loops at the top allow wire to be threaded through. Very durable but require insulators to keep wire from contacting the conductive metal post. Cost $2–$4 each. Best for semi-permanent temporary setups.
Installation Tips
Step firmly on the foot plate while holding the post vertically — leaning the post before stepping causes the tip to deflect in hard soil. In very dry or hard ground, use a steel rod to pre-punch a small pilot hole at the post location. Space posts 20–25 feet apart maximum for polywire with one or two strands; reduce to 15–20 feet in windy areas or on slopes where wire tends to sag.
Wire Clip Systems
Most step-in posts have 3–5 built-in wire clips at different heights. Thread polywire through the appropriate clips for your livestock. The bottom clip position is typically 6–8 inches from the ground — adjust this for the animal you're containing. Avoid using the lowest clip for cattle in tall grass — the wire will contact vegetation and drain fence voltage.
When Step-In Posts Aren't Enough
Step-in posts cannot bear significant lateral wire tension. On long fence runs, the accumulated tension pulls posts toward the energizer, eventually collapsing the fence. Use a proper braced corner post (driven wood or steel T-post with brace) every 300–500 feet in long runs, then run step-ins between these anchor points. Gate openings also require a rigid post — a step-in post cannot hold a gate handle under sustained tension.
Our Recommendation
Buy fiberglass or quality polypropylene step-in posts from Premier 1, Gallagher, or Kencove. Avoid the cheapest no-name posts — they break at the foot plate and split at the top clips within one season of regular moves. Quality step-in posts last 5–10 years of active use; cheap ones rarely last 2 seasons. At 200–300 posts for a typical rotational system, the $100–$200 premium for quality posts pays back immediately in reduced replacement costs.