Extreme Max 3005.3822 Heavy Duty Roller Guide On System

Includes one pair of Heavy-Duty Roller Guide-Ons with an easy, bolt-on installation that fits bunk or roller-style trailer frames up to 3" wide x 4.25" tall* Custom-formed 97° arms and 13" roller assembly; up to 14" (3" trailer frame) or 16" (2" trailer frame) of horizontal adjustment Zinc-coated for freshwater use, not intended for use in saltwater or brackish water The size and shape of trailer frames can vary drastically, please measure your boat on the trailer before ordering to ensure a proper fit 6" bolt kits are available for trailer frames up to 5" tall, see Extreme Max 3005.4065