Surfboard Longboard Fin Screw Channel Plate

Features:
304 stainless steel construction, rust and corrosion resistant.
Measure 14 * 14 * 3.5mm (0.6 * 0.6 * 0.14) for plates.
A rubber O-ring to eliminate loosening while surfing.
Fits all standard fin boxes in the market.
Installed with screw drivers(not included), inside the fin box, of less chance to lose.
A perfect and must-have replacement fit for long board surfers.