Always keep extra screw and fin plate in your paddle bag for replacement. This set of Screw & Fin Plate is a universal fit for most fin box on the market. It is designed to slide in fin box, install fins in a perfect position.

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.
 
Specifications: 
Material: 304 stainless steel 
Model: M4 / M5 (Optional)
Screw size: 4 * 23mm, 0.16 * 0.90in / 5 * 23.5mm, 0.20 * 0.93in
Plate size: 14 * 14 * 3.5mm / 0.6 * 0.6 * 0.14in 
Package size: 12.5 * 8 * 1cm / 4.9 * 3.1 * 0.4in
Package weight: 21g, 0.7oz / 25g, 0.9oz

Package List:
3 * Screw 
3 * Fin Plate 

Product 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. A perfect and must-have replacement fit for long board surfers.
• Installed with screw drivers(not included), inside the fin box, of less chance to lose.