SeaSense Boat Trailer Guide-On Kit When backing up one of your biggest investments to your favorite trailer and transport, you will want a visual aid that you can count on. These boat trailer guides by Seasense can give you just that. This kit comes with everything you need to install your boat trailer guide-ons to your rig with ease and get you out of the water faster, including galvanized pole supports, U-bolts, and mounting plates, plus all hardware. Standing at 48 tall, these Seasense boat t