- Mounting plate measures 4.5" *8" x 13/16” stainless steel screws are 316 marine grade
- The best method is Use a high quality marine adhesive on the back, drill a small pilot hole, coat the screws with the same adhesive, then caulk around the board and finally caulk the top of the countersunk screw hole
BZBMGMO Boat Mounting Board Plate 4.5" *8" PVC Stainless Screws-White