The package listed above will do a 15 acre pasture (approximately 3280 feet perimeter) with a 16 foot gate opening at one corner, as in our sample diagram. Three wires are insulated for electric, with posts spaced at 25 foot centers. As with any packaged plan, measurements and materials are approximations. Your needs will vary. Price does not include labor, posts, spinning jenny, fencing tools or charger. Call for complete details on ordering and shipping information.