The T-Post Trail Camera Holder quickly attaches to any side of the T-Post by simply unscrewing the threaded knob far enough that the holder will slide over and around the post. Continue by screwing the knob to tighten the knob threads against the T-Post until the holder is securely mounted. Trail camera holder will universally attach to most T-post style fence posts that are commonly used by farmers across the country. Features 1/4 inches by 20 mm thread to accommodate any trail camera on the market Vertical and horizontal adjustment for perfect camera placement Lock washer to secure camera in place