CE Smith Pontoon Boat Trailer Guide-OnsPontoon boat trailer guide-ons are a helpful tool to make it easier to load your boat onto your trailer and also help with backing the trailer into the water and getting your trailer in at the right depth. These boat trailer guide ons provide a visual target to guide you in the trailering and untrailering of your boat.The CE Smith pontoon boat trailer guide-ons come in sets of 2 and are post-style. These guide-ons attached to the rear of your trailer to extend 22" out of the water and be a guide to getting your pontoon boat on the trailer much easier. They are designed for easy installation and to mount on the top of the rear cross member of your trailer allowing you to center the pontoon on the trailer.Features: Mounting hardware included; 1-1/2" Square 16 gauge pre-galvanized steel* uprights; 2-3/8" diameter white PVC posts; 22" high; Sold in pairs; Fits up to 3" Width x 4-1/4" Height frames.*Pre-galvanized steel parts are stamped from a sheet of steel after it has already been galvanized. The galvanized coating is very thin (.45 oz. on each side).