Designed for steel posts, the best choice for permanent equine electric fencing using Y posts or Waratahs. For use with steel posts – Waratahs and Y posts Use with Equine Fence Wire Ideal for fences that need to be temporarily lowered for vehicle or animal access such as on lane ways, beside drains or silage pits Strong jaw design to withstand fence tension and keep wires firmly in place Superior insulation with large heavy duty shield to prevent pulse arcing and reduce power leakage Easy set up – no tools needed to install or remove wire from insulator Made from strong high density, long lasting UV resistant plastic Pack size: 25.