This hot dipped galvanized boat trailer V-guide on, will help guide the bow of your boat to center up on your trailer. Made out of 1/8 galvanized steel, sleeved with 2pvc and caps, this v-guide will save you time when loading your boat on your trailer. The v- guide will attach to your trailers cross-members by using a 2" galvanized hat bracket and two 1/2 x 3" x 4 5/16" galvanized Ubolts that are included in this kit.