Get a perfect mount for the suction cup. A plastic plate to help the suction cup to fasten on fiberglass hatches. With the double sided tape it?s easy to mount the plate to the fiberglass hatch. The surface on the plate is perfect for suction cup. Ø 60 mm (Ø 2 23/64")
? Helps a suction to fit on a hatch made of fiberglass
? Double sided tape from 3M