Stand-off for “window” type ladder line for towers, etc. Easy to lock in place with UV resistant high strength (120 lb)cable tie (2 included). Lock the 300-450 ladder line into the end of the 6+ inch standoff with small cable tie (2 included). Specify length of the pole tie required. Extra ties available in singles or bulk in 8, 14, & 18 inch length (120 lb).