These extra tall Post Guide-Ons allow you to see the location of your trailer when its under water. Designed for I-beam trailers and I-beam boat lifts, these guide-ons feature an innovative two-piece mounting clamp that works above or below the I-beam. Fits on I-beams up to 4 wide with provided hardware.
Mounting hardware included
Sold in pairs
Adjusts out to 19 on each side
Fits frames up to 3W x 5-1/4 H
1-1/2 square, 16 gauge pre-galvanized steel uprights, 36 high