40″ Post Guide-On With LED Lighted PostsPost Guide-Ons allow you to see the location of your trailer when it’s underwater. Equipped with long lasting, waterproof and shockproof, one piece red and amber LED lamps. The LED lamps make it easy to see your trailer’s position when backing down the ramp and dramatically increase your trailer’s visibility over the road at night. Amber light faces front, red faces rear.Features:Mounting hardware and wiring included40″ Total HeightAdjusts Out to 13″ each SideFits Frames up to 3″W x 4-1/4″H1-1/2″ sq. 16 ga Pre-Galvanized Steel postExtends 18″ Into 2″ PVC tube for strengthPre-galvanized steel parts are stamped from a sheet of steel after it has already been galvanizedThe galvanized coating is very thin (0.45 oz. on each side).Note: Check with your state Department of Transportation for restrictions regarding maximum trailer width*Sold in pairsWARNING: This product can expose you to chemicals including ARSENIC ,CADMIUM which are known to the State of California to cause cancer or other reproductive harm, and BERYLLIUM,COBALT METAL POWDER,NICKEL (METALLIC) which are known to the State of California to cause cancer, and Chromium (hexavalent compounds),LEAD which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Owner’s Manual (pdf)