The Overtons 40" Post Guide-On with Unlighted Posts allow you to see the location of your trailer when it's underwater. The 2" PVC tubes make it easy to see your trailer's position when backing down the ramp.•Mounting hardware included.•Sold in pairs.•Adjusts out to 13" each Side•Fits frames up to 3" W x 4-1/4" H•18" high •2" schedule 40 white PVC posts (2-3/8" actual OD).•Stands 40" above the trailer frame with white post caps.•Made in the USA•Fits trailer frames up to 3" wide x 5-1/4" tall•Durable pre-galvanized steelNote: Check with your state Department of Transportation for restrictions regarding maximum trailer width. Fits frames up to 3 wide x 4-1/4 high Sits 40 above frame for greater visibility Durable pre-galvanized steel | Overton's Overton s 40" Post Guide-On With Unlighted Posts in White Made in USA