Extreme Max 30053822 HeavyDuty Roller GuideOn System

Includes one pair of HeavyDuty Roller GuideOns with an easy bolton installation that fits bunk or rollerstyle trailer frames up to 3 wide x 425 tall Customformed 97 arms and 13 roller assembly up to 14 3 trailer frame or 16 2 trailer frame of horizontal adjustment Zinccoated 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 30054065.