Use these sturdy deer fence line posts to support the invisible deer fencing. Use a Post Driver to drive posts at 10 ft to 15 ft intervals along your fence line. Each post has pre-drilled holes so Self Locking Ties can be used to attach the deer fence post to the fencing. 1/8 inch thick posts measure 1.25in X 1.25in. Professional Use Product Angled 14 Gauge Steel 10ft Tall 1 1/4 in x 1 1/4 in Powder Coated Black 30 Year Life