Square coupler pins add an additional level of security preventing accidental uncoupling while in transit to better protect your trailer. Electrogalvanized steel construction for corrosion resistance. The snap lock bale is spring tensioned for stronger holding power. Fits most coupler sizes.
![Sea-Dog Galvanized Coupler Lock Pin - 5/16" [751011-1]](http://www.bluewateroutriggers.com/cdn/shop/products/77392XL_{width}x.jpg?v=1680121526)
![Sea-Dog Galvanized Coupler Lock Pin - 5/16" [751011-1]](http://www.bluewateroutriggers.com/cdn/shop/products/77392XL_1024x.jpg?v=1680121526)
