I wanted to add a few shackle mounts to my log trailer but instead of buying the mounts, I decided to make my own. The mounts are made from 3" wide by 1" thick cold rolled steel. Trailer Playlist: https://www.youtube.com/playlist?list=PL0dX5redvVZTkkFnCLmWGhKyUkYWne2Og Products Used: Shackle: http://amzn.to/1UMeIU9 Milwaukee Inkzall Marker: http://amzn.to/22ZfHqx Center Punch: http://amzn.to/1WIWwkN Hole Saw Set: http://amzn.to/1WIWIjM…