16 slotted brackets, with holes for fasteners to go through, during installation.
 
Dimensions: 5 inches by 2 3/4 inches; will stand off the deck of the trailer 5/8 of an inch.
 
This add-on enables the quick connection or detachment option for the ATC mounting brackets.
 
Fasteners ARE NOT INCLUDED due to all trailers being of different configurations and thicknesses.