Polywire is ideal for using on top of existing wooden post and rail fences to prevent horses from chewing on posts or leaning over in to the next field also to keep horses from barbed wire fences this fencing wire is flexible and light and has 3 stainless steel strand conductors running through its length to ensure good conductivity rated at 15 ohmsmetre 40kgs breaking strength a choice of 250 or 500 metres on a reel greenwhite colour with uv protection plastic 3 stainless st