Guide posts go inside pontoons to center boat on trailer. Metal arm extends fully into PVC tube for strength. Height of 22". Made of 1-1/2" sqaure 16 Ga. steel tubing covered by 2" PVC tube. Mount on top of trailer frame. Comes complete with hardware for trailer frames up to 3" wide by 4-1/4" high. Pair.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov