• Heavy duty 8" Adjustable Swivel Pontoon Boat Trailer Bunk Board Bracket Kits.These adjustable swivel bunk board brackets are mounted to crossbeams in front and behind the axle.These 8 inch hot dipped galvanized boat trailer bunk bracket adjustable swivel top bunk bracket kits are designed for boat trailer bunk boards sets.
• These U Bolts measure 1/2" in diameter, 3" wide, by 4.5" long.The U Bolts adopts a 3.1 " extended thread design,suitable for 1.5" x 3" 2" x 3" 3" x 3" boat ship trailer crossbeams that are C Channel in shape.
• Our galvanized steel bracket assembly is hot dipped in zinc,not cold galvanizing in zinc. This creates a coating that is typically 3 mil to 5 mil thick. This thick, all-around coating allows galvanized steel products to provide years of use without rusting or corroding.
• Cold galvanizing zinc layer is more thinner,so its durability and reliability are insufficient compared by hot dipped. So it is so easy to judge product made by hot-dipped or cold galvanizing in zinc.Normally products have bright and smooth in surface appearance, they are made by cold galvanizing.Products have rough and dull surface, no shine, they are made by hot-dipped in zinc.
• Eases loading and unloading of boat and supports your boat's keel as it sits on the trailer.