CE Smith Boat Trailer Guide-Ons - Post-StyleMake boat loading easier and more accurate with CE Smith Post-Style Trailer Guide-Ons. These sturdy posts help center your boat on the trailer and provide clear visual cues for trailer width, especially useful when backing up or navigating tight ramps. Built for durability, they protect against bumps and scrapes during loading while keeping your boat properly aligned in rough or low-light conditions. They also improve visibility on the road, alerting nearby drivers to your trailer's full width. Ideal for both seasoned boaters and beginners, these guide-ons simplify loading and help prevent hull damage during transport.CE Smith Boat Trailer Guide-Ons Feature: Galvanized posts extend more than half-way into each non marring heavy duty 2" PVC tube for extra stability; Boat trailer guides may be mounted on top of the frame for extra height; Complete to fit frame up to 3" wide x 4-1/4" high; One box comes with both sides of the trailer; Sizes Available: Part # Size 27620 Stands 40" above trailer frame 27640 Stands 60" above trailer frameSpecifications:Boat trailer guides adjust out to 13" each side Fits Frames up to 3"W x 4-1/4"H; 1-1/2" square, 16 gauge pre-galvanized steel uprights; How to Install CE Smith Post-Style Trailer Guide-OnsNeeded for Installation: #2 Phillips screwdriver; Pliers; 1/8" Drill; 9/16" Deep socket; CE Smith Boat Trailer Guide-On Installation Instructions Loosely assemble the mounting brackets and U-bolts onto your trailer frame.; Brackets may be mounted above or below the frame.; Mount as far back as possible.; Mount close to a cross member for more rigidity.; Slide the short end of the uprights into the brackets.; Slide PVC posts over the uprights engaging the no-rotate notch with the lance.; Loosely tighten the U-bolts.; Adjust trailer guide posts to fit your boat.; Less than 1 inch of offset from the boat is typical.; Mount as far back as possible for the guides to be most helpful during loading.; Tighten U-bolts; Spacing will change during tightening.; Re-adjust your spacing and re-tighten as needed.; Push caps down firmly onto your guide-on posts.; **For maximum benefit when loading your boat, mount the posts as far back on the trailer frame as possible and as close to the boat as possible**