This 6 inch Aluminum Bunk Bracket Will eliminate that constant rust problem
Bracket is 6 inches tall and 5 inches wide
Metal thickness is 1/4 inch
Multiple 1/2 inch holes in the bracket allow for the user to adjust the height of the bunk bracket
Attachted those brackets, walking away knowing away you saved yourself from constant maintenence
Use Stainless Steel U Bolts for optimal performance
Fits on 3 inch wide cross members