Smith Angled Post Guide-Ons allow you to see the location of your trailer when it's under water. The 2-3/8" dia. PVC tubes make it easy to see your trailer's position when backing down the ramp. A 16-gauge pre-galvanized steel post extends into the PVC tube to increase strength. Adjust up to 13" away from trailer frame. Fit trailer frames up to 3"W x 4-1/4"H. Mounting hardware included. Sold in pairs.• 16-gauge pre-galvanized steel posts• White PVC pipes slide over steel posts• Fit trailer frames up to 3"W x 4-1/4"H• Mount above or below the trailer frame• Adjust up to 13" away from the trailer frame• Angled 70° to allow for wide or flared hulls• 40" tall post Angled 70° to allow for wide or flared hulls Posts are made of 16-gauge pre-galvanized steel Fit trailer frames up to 3""W x 4-1/4""H | CE Smith 40" Angled Post Guide-Ons in White