(3 of each) – Three Truss Head Stainless Steel Bolts, Three Rubber Washers, Three Stainless Steel 3/8 Track Nuts.
Track nuts go up, in then down to fit into the track.
Rubber washer goes behind the bumper between the dock and the bumper.
Install the bolt in the center of the bumper first so you can spin it out of the way to install the outer two track nuts.
Use blue thread lock on these bolts for installation.