Zinc-plated steel U-bolt kit allows you to attach roller-, bunk-, or post-style guide-ons to your boat trailer with a frame up to 3" wide x 5-1/4" tall. Includes 2 sets of mounting U-bolts.

Zinc-plated steel U-bolt kit allows you to attach 1 roller-, bunk-, or post-style guide-on to your boat trailer with a frame up to 3" wide x 4" tall. Includes 1 pair of mounting U-bolts and required mounting hardware.

Square U-bolt is designed to help secure a bolster or bunk board bracket to your boat trailer's frame. Multipurpose U-bolt can be used for a variety of other applications. Galvanized steel is durable and corrosion resistant. Hardware included.

Square U-bolt is designed to help secure a bolster or bunk board bracket to your boat trailer's frame. Multipurpose U-bolt can be used for a variety of other applications. Galvanized steel is durable and corrosion resistant. Hardware included.