Today we're going to be taking a look at the Blue Ox SwayPro Weight Distribution Shank. This is designed for use with Blue Ox SwayPro Weight Distribution systems. It's also designed to work inside of the 2 1/2" x 2 1/2" trailer hitch receiver. This can be used in either the drop or rise positions. This right here would be your drop position. You can flip this over, and this would be your rise… see more >